单词:cutting tool coolant oil
单词:cutting tool coolant oil 相关文章
Lesson 13 The search for oil 探寻石油 First listen and then answer the following question. 听录音,然后回答以下问题。 What do oilmen want to achieve as soon as they strike oil? The deepest holes of all made for oil, and they go down t
15 Talking to a Mechanic GLOSSARY mechanic a person whose job is to maintain and repair cars or other types ofmachines * Do you pay a mechanic to change the oil in your car, or do you do it yourself? engine the inside part of a car that makes it move
Topics:-The Three Mile Island Accident; Famous Buildings: Chrysler Building; quarrel versus argument versus controversy; concerned versus worried; amounted to Words: nuclear reactor core coolant malfunction valve to be exposed guideline to evacuate t
金属切削 metal cutting 机床 machine tool 金属工艺学 technology of metals 刀具 cutter 电路 circuit 半导体元件 semiconductor element 反馈 feedback 发生器 generator 直流电源