英语词汇“弓形鑽”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	弓形鑽
释义	弓形鑽 gōng xíng zuàn一种用来钻木材的工具。其构造包括有夹头、制动轮、摇柄和握把等。夹头控制夹爪的开合，制动轮则在控制弓形钻的进退。因其摇柄部分弯曲成弓形，故有此称。
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