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piston rings的英文翻译是什么意思，词典释义与在线翻译：
英英释义
名词 piston ring:
-
seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall
piston rings的用法和样例：
例句
- These bands are called piston rings.
这些圈叫做活塞环。 - The unrestrained piston ring curve has been analyzed by the finite element method.
摘要引入有限元法对活塞环自由状态曲线进行了分析研究。
