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词汇
obturator ring
释义
obturator ring
基本
例句
闭塞环,活塞环
This occurs especially during ring reversal.
这种情况尤其发生在活塞环倒向期间。
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。
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更新时间:2025/10/28 11:35:51