最終更新日：2024/07/28
(mechanical engineering) A pin or wedge inserted through a slot to hold machine parts together. / (informal) A cotter pin.
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cotter
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(mechanical engineering) A pin or wedge inserted through a slot to hold machine parts together. / (informal) A cotter pin.
cotter
DiQt（ディクト）
無料
★★★★★★★★★★
