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piston rings的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 piston ring:
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seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall
piston rings的用法和樣例：
例句
- These bands are called piston rings.
這些圈叫做活塞環。 - The unrestrained piston ring curve has been analyzed by the finite element method.
摘要引入有限元法對活塞環自由狀態曲線進行了分析研究。
