单片机考试试题和答案(5).pdf
单片机考试试题和答案(5)一、填空题:(共 30 空,每空1 分)1.单片机即一个芯片的计算机,此芯片上包括五部分:运算器、_、_、输入部分、_。2.只有在 _码表示中 0 的表示是唯一的。3.MCS51 指令系统中direct 表示的含义是:_。4.P0、P1、P2、P3 四个均是 _位的 _口(填“串行”还是“并行”),其中 P0 的功能是_;P2 口的功能是 _;而 _是双功能口;_是专门的用户口。5.任何程序总是由三种基本结构组成:顺序、分支和_。6.MCS51 指令共有六种寻址方式,分别是立即数寻址、_、_、寄存器间接寻址、_、相对寻址。7.MOVDPTR,#data16 的作用是用来设定_。8.片内 RAM 可进行位寻址的空间位地址范围是_。9.MCS51 的存储器空间配置从功能上可分为四种类型:_、内部数据存储器、_、外部程序存储器。10.MCS-51 的指令按其功能可分为五大类:_、_、逻辑运算类指令、位操作指令、控制转移指令。11.输入输出设备与主机的连接部分称为输入输出接口,接口有三大作用:_作用、_作用和信号电平与形式的变换作用。12.MCS51 内部的 SFR 共有 _个。13.CJNE,rel 属于五大类指令中的_类指令,其操作码助记符含义是 _。14.8051 单片机有 _个中断源,_级中断优先级别。15.8255A 属于可编程的_ 接口芯片,8255A 的 A 通道有 _种作方式。二、选择题:(共 15 题,每题1 分)110101.101B 转换成十进制数是()。(A)46.625(B)23.625(C)23.62(D)21.625 2.存储器的地址范围是0000H0FFFH,它的容量为()。(A)1KB(B)2KB(C)3KB(D)4KB 33D.0AH 转换成二进制数是()。(A)111101.0000101B(B)111100.0000101B(C)111101.101B(D)111100.101B 473.5 转换成十六进制数是()。(A)94.8H(B)49.8H(C)111H(D)49H 5MOVXA,R0指令中,源操作数采用()寻址方式,指令作用在()区间。(A)寄存器,外部数据存储器(B)直接,程序存储器(C)寄存器间接,内部数据存储器(D)寄存器间接,外部数据存储器6A7H 和 5BH 两个立即数相加后,和为(),(CY)是()。(A)1CH,0(B)C1H,0(C)02H,1(D)C1H,1 7若(A)=86H,(PSW)=80H,则执行RRCA 指令后(A)(A)C3H(B)B3H(C)0DH(D)56H 8如果(P0)=65H,则当CPLP0.2 SETBC MOVP0.4,C 执行后(P0)=()(A)61H(B)75H(C)71H(D)17H 9()指令是 MCS-51 指令系统中执行时间最长且长达4 us的。(A)比较转移(B)循环转移(C)增减量(D)乘除法10 8031 单片机中,将累加器A 中的数送入外RAM 的 40H 单元,可执行的指令()。(A)MOVR1,40H(B)MOVR1,#40H MOVXR1,A MOVXR1,A(C)MOVX40H,A(D)MOVR1,#40H MOVXR1,A 11 已知累加器A 的数值为98H,它与 0FAH 相加,相加后会影响标志位CY、AC 和 OV位。各个位的值是()。(A)0、0、0(B)1、0、1(C)1、1、1(D)1、1、0 12不属于单片机与输入输出设备进行信息交换的方式是()。(A)无条件传送方式(B)查询方式(C)中断方式(D)存储器直接存取方式13 8051 与 8255A 的硬件连接如图P110 图 6 7,其中规定未用的地址线取0。则 8255A的控制字寄存器的地址是()(A)0000H(B)0001H(C)0002H(D)0003H 14 A/D 转换方法有以下四种,ADC0809 是一种采用()进行A/D 转换的 8 位接口芯片。(A)计数式(B)双积分式(C)逐次逼近式(D)并行式15 8051 单片机内有()个 16 位的定时/计数器,每个定时/计数器都有()种工作方式。(A)4,5(B)2,4(C)5,2(D)2,3 三、判断指令(或伪指令)正误(共 15 题,每题1 分)(1).MOV20H,R1()(2).ADDCA,2030H()(3).CLRA()(4).MOVX40H,#30H()(5).ORG3000H()(6).MOVCA+PC,A()(7).MOVXA,2000H()(8).DJNZ#data,rel()(9).INCR5()(10).DECDPTR()(11).MOVR1,R2()(12).SWAPR1()(13).SETB2000H()(14).JZA,LOOP()(15)DAR2()四、分析程序并写出结果:(共 4 题,每题5 分)1 已知(R0)=20H,(20H)=10H,(P0)=30H,(R2)=20H,执行如下程序段后(40H)=MOVR0,#11H MOV A,R2 ADDA,20H MOVPSW,#80H SUBBA,P0 XRLA,#45H MOV40H,A 2.已知(R0)=20H,(20H)=36H,(21H)=17H,(36H)=34H,执行过程如下:文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10MOVA,R0 MOVR0,A MOVA,R0 ADD A,21H ORL A,#21H RL A MOVR2,A RET 则执行结束(R0)=(R2)=3.执行下面一段程序;MOVSP,#60H MOVA,#10H MOVB,#01H PUSHA PUSHB POPA POPB A,B 的内容是:(A)=(B)=4.设在 31H 单元存有 23H,执行下面程序:MOVA,31H ANL A,#0FH MOV 41H,A MOV A,31H ANLA,#0F0H SWAP A MOV42H,A 则(41H)=(42H)=五、简答及做图题:(共 2 题、每题 5 分)1用图示形式画出MCS51 内部数据存储器(即内RAM含特殊功能寄存器)的组成结构,并简单说明各部分对应用途。2 要在 8051 单片机片外扩展16K 数据存储器,选择其地址为0000H3FFFH。如果选用6264 芯片为存储芯片,74LS138 为译码器,试画出它的硬件连接图。六、编程题:(共 2 题,每题5 分)1.将字节地址30H3FH 单元的内容逐一取出减1,然后再放回原处,如果取出的内容为00H,则不要减1,仍将 0放回原处。2.按以下要求编写8051 单片机定时器的初始化程序:(1)T0 作为定时,定时时间为10ms.(2)T1 作为计数,记满1000 溢出。参考答案一。填空题1.存储器、控制器、输出部分。2.补3.片内存储器地址。文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P104.8,并行,地址/数据分时复口,高 8 位地址口,P1。5.循环。6.直接寻址,寄存器寻址,变址寻址。7.地址指针。8.00HFFH。9.片内程序存储器,外部数据存储器。10.数据传送类,算术运算类。11.隔离与寻址作用,所存与缓冲作用12.21 13.5,2 14.并行,3 二。选择题15 DDABD 610CACDD 715DDDCB 三。判断题(6)四。分析程序并写出结果。1.(20H)11H(A)20H(A)(A)+(20)(CY)=1(A)-(P0)-(CY)(A)即(A)00H(A)+45H(A)即(A)45H(40H)45H 2.(A)(R0)(A)=36H(R0)(A)(R0)36H(A)(R0)(A)34H(A)(A)+(21H)34H+17H=4BH(A)(A)21H4BH 21H=6BH(A)D6H(R2)D6H(R0)=36H(R2)=D6H 3.(A)=01H(B)=10H 4.(41H)=03H(42H)=02H 五。1.MOVR7,#10H MOVR1,#30H LOOP:CJNE R1,#00H,NEXT MOVR1,#00H SJMP NEXT1 NEXT:DEC R1 NEXT1:INC R1 文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10DJNZ R7,LOOP SJMP$END 2.(1)T0 的工作方式0 时:tmax=213=213 2us=16.384ms 定时 10ms 可达要求,则 X=213-=213-=3192=C78H=6318H T0 工作在方式1 时:tmax=216 =2162us=131.072ms 定时 10ms 也可达要求,则 X=216-=EC78H T0 工作在方式2 或 3 时:tmax=28=282us=512us 定时 500us,循环 20 次,X=28-=06H(2)方式 0:213-100=8092=1F9CH=FC1CH X=M-计数值方式 1:216-100=FF9CH 方式 2 或 3:28-100=9CH DELAY:MOV TMOD#00H(#01H/#10H/#11H)(MOV R3,#14H)MOVTH0,#63H MOVTL0,#18H SETB TR0 LP1:JBCTF0,CLOSE SJMP LP1 CLOSE:SJMP$RET 五.简答及做图题21 个 SFR 堆栈及数据缓冲区128 个位寻址区工作寄存器文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10文档编码:CE8U5F2I5Y10 HT7X3I9L9W3 ZT3M9T8D5P10