Thus the function of the distance between valve and piston is put forward.
据此提出气门和活塞间距离的函数。
The major function, work principle and application of the piston casting machine were introduced.
介绍了活塞铸造机的结构和工作原理及主要用途。
The major function, work principle and application of the piston casting machine were introduced.
介绍了活塞铸造机的结构和工作原理及主要用途。
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