时间:2022-10-19 21:06:41
【机械工程】胸压手摇钻。
breast: n. 1.乳房;〔比喻〕营养的来源。 2.胸;胸脯,胸膛 ...
drill: n. 【动物;动物学】(西非的)鬼狒。
a portable drill with a plate that is pressed against the chest to force the drill point into the work
Specification for hand and breast drills
手摇钻与胸压手摇钻规范