Such as whether the bolt is tightened, the piston ring is installed correctly, damaged oil seal is replaced, etc.

譬如螺栓是否拧紧，活塞环安装是否正确，损坏油封是否更换等。

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The rings are installed in grooves in the piston.

活塞环装在活塞的凹槽中。

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A gyration piston and slide sheets engaged with the outer surface of the gyration are installed in each compression cylinder.

每个压缩缸内装有一回转活塞和与回转活塞外表面相啮合的滑片。

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He installed a horizontal piston that rides along the fork as a steering damper.

FORBES: Magazine Article