hand drill machine

例句：

1. 1. The engineer used a hand drill to make the holes for the screws.
   工程师使用手钻为螺丝打孔。
2. 2.The construction workers were using a hand drill to drill holes in the concrete.
   建筑工人正在用手钻在混凝土中钻孔。
3. 3.The hand drill was essential for the carpenter's work.
   手钻对于木匠的工作至关重要。