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1·How about mechanical work?

那机械功怎么样呢？

2·Today I completed the mechanical work on the balancer.

今天，我完成了机械工作的平衡。

3·Don't we have to eat also for all the mechanical work that we do?

我们是不是也要吃掉，我们做的所有机械功呢？

4·The company undertakes mechanical work on all types of cars.

该公司承接各类汽车的修理工作。

5·This pressure then forces the piston back down producing mechanical work.

这种压力迫使活塞则回落生产机械工作。

6·Enthalpy is the amount of energy in a system capable of doing mechanical work.

焓是系统中能够做机械工的能量的多少。

7·By heat engine people mean an engine converting heat energy into mechanical work.

热机是指把热能转变为机械功的一种发动机。

8·A device, such as a saw, used to perform or facilitate manual or mechanical work.

器具，工具用来进行或促进手工或机械工作的器具，例如锯子。

9·A device, such as a saw, used to perform or facilitate manual or mechanical work.

器具，工具：用来进行或促进手工或机械工作的器具，例如锯子。

10·Holding other license such as mechanical work, welding, pressure vessel, etc is preferred.

持有别的证书如机械、电焊、压力容器证书是优先的。