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。

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The size of the steel tube is lengthened by the following needed size in comparison with the piston stroke.

钢管尺寸比活塞行程加长以下需用尺寸。

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The result show that the piston area and the accumulator volume have more influence on the system 's performance, and the piston stroke...

结果表明，活塞面积和蓄能器体积对系统性能影响比较大，而活塞最大行程和油液弹性模量对系统性能影响较小。

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EcoMotors and Achates are developing two-stroke, opposed piston diesel engines while Pinnacle is working on a four-stroke opposed piston gasoline engine.

FORBES: Engine Startup EcoMotors Signs Deal with Chinese Manufacturer

Conventional four-stroke engines produce power by moving a piston up and down using rapid explosions of fuel and air in a cylindrical chamber.

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