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piston skirt /ˈpɪstən ˈskɜːt/ n

中文：活塞裙

中文 · 活塞裙Español · camisa de pistónFrançais · jupe de pistonDeutsch · Kolbenschaft
Meaning：Side surface of a piston guiding it along the inside of the cylinder.
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Found in these illustrated scenes（3）

Gasoline engine Mono-metal piston with windows Structure of the piston

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