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单词
piston ring
释义
piston ring
基本
英英
例句
n.
活塞环
机械设备
Noun:
seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall
用作名词
These bands are called piston rings.
这些圈叫做活塞环。
This occurs especially during ring reversal.
这种情况尤其发生在活塞环倒向期间。
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更新时间:2024/11/6 0:32:13