









piston
plunger
The pistons are graphite-coated to reduce friction.
The piston moves by steam pressure.

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Open the tool →活塞 (huó sāi) means “piston, plunger”.
活塞 is pronounced huó sāi in Mandarin Chinese.
“piston” is 活塞 (huó sāi) in Chinese.
This page has 2 example sentences using 活塞, each with pinyin and an English translation.