机电专业英语试卷C.doc

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1、装订班 级学 号姓 名Quiz of Part 3. Translate the following words or phrases into Chinese or English.(210)1.mechanical engineering 2.交叉学科 3. automation platform _ 4. _ 网络通信 5. energy conservation _ 6. _ 自动校准系统 7. Electrically driven _ 8.机械能 _ 9. pressure-compensated pump _ 10. _ 高低回路 II. Fill in the blanks w

2、ith the suitable words or phrases given below.(36+2)by the Romans an early invention even further the early fifth century in fact become tired ofThe watermill, the first hydraulic motor, was 1 . One is pictured on a mosaic at the Great Palace in Byzantium, dating from 2 . The mill had been built 3 .

3、 But the first record of a watermill goes back 4 , to around 100 BC, and the origins may indeed have been much earlier. The domestication of grain began some 5 000 years before and some enterprising farmer is bound to have 5 pounding or grinding the grain by hand. Perhaps, 6 , the inventor were some

4、 farmers wives. Since they often drew the heavy jobs. III. Translate the Chinese parts given in the brackets into English.(410)1.Of late the notion of “intelligence” or “smartness” is associated with these industrial machines and _ (因此人们经常将这些工业产品称之为“智能化”或“时尚化”的产品) .2.Mechatronics is also defined as

5、the synergetic integration of mechanical engineering with electronics and intelligent computer control _（在工业产品的设计和制造加工过程中）.3. Statement List (STL) _ （指令表由一系列指令代码组成）executed one after another by the PLC. 4.These internal relays do not physically exist in the PLC _ （而是寄存器中虚拟继电器的位单元）. 5.In the future,

6、the computational capability of the microcomputer will be used for _ (执行通过现代控制理论控制的交流电机), together with the usual diagnostic and self-check features. 6._（流体的流动可按多种方式分类）, such as steady or non steady, rotational or irrotational, compressible or incompressible, and viscous or no viscous. 7._（所有的液压系统遵循

7、于帕斯卡定律）, named after Braise Pascal, who discovered the law.8._ (可以在遥控站调节液压泵的压力) by using small, pilot relief valves connected to the systems main pilot-operated relief valve. 9. A pressure-compensated, variable-volume pump is controlled by system pressure. As pressure increase, displacement of the p

8、ump decreases so that _ (液压泵在设定压力下的排量足够补偿泄露).10.Clean the locating pads on the A-axis and the load station. _ （此项操作须卸下托盘）.IV. Translate the following paragraphs. (20)In the future, the computational capability of the microcomputer will be used for the implementation of sophisticated modern control t

9、heory in AC motor drives, together with the usual diagnostic and self-check features. The integration of the power semiconductor and its signal electronics is already possible at low power levels. Further advances in this area will give size and cost reduction with improved reliability. It appears inevitable that adjustable-speed AC drives will find even more widespread application in the future.线第1页，共1页