| 单词 | 冲程 |
| 释义 | 〔instroke〕An inward stroke, especially a piston stroke moving away from the crankshaft.内冲程：向内的冲程，尤指从曲轴移回的活塞冲程〔stroke〕Any of a series of movements of a piston from one end of the limit of its motion to another.冲程：活塞从一端到另一端的一系列运动之一〔outstroke〕An outward stroke, especially the stroke of an engine piston moving toward the crankshaft.向外冲程，向外冲击：向外冲程，尤指发动机中话塞向曲轴推动的冲程 |
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