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单词
cotter
释义
cotter
/ˈkɒtə/
n.
1
a bolt or wedge for securing parts of machinery etc.
(
机器等上固定机件用的
)
制销,销
2
(in full
全称
cotter pin
)
a split pin that opens after passing through a hole
开尾销,扁销
[17th c. (related to earlier
cotterel
): origin unknown]
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更新时间:2026/8/1 15:05:34