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instroke

n. 内向冲程；排气行程；压缩行程

1、排气行程

... instoscope目视曝光计 instroke排气行程 instron拉伸强度试验机 ...

2、内向

... instlatedtubular隔热管 instroke内向 instructionaddress指令地址 ...

n.the stroke of an engine piston moving away from the crankshaft

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