鉤頭鍵
詞語: 鉤頭鍵
解釋: gih-headed key
詞典: 冶金專業漢英詞典
鉤頭鍵 相關解釋
gih-headed key 〔名詞〕鉤頭鍵
鉤頭鍵 gib head taper stock key
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