钎子
qiānzǐ
钎子 — qiānzǐ
- hammer drill; a power tool for boring through rock
工人在山上用钎子凿出一条隧道。 gōngrén zài shānshàng yòng qiānzi záochū yītiáo suìdào — The workers used a hammer drill to bore a tunnel in the mountain.
qiānzǐ
工人在山上用钎子凿出一条隧道。 gōngrén zài shānshàng yòng qiānzi záochū yītiáo suìdào — The workers used a hammer drill to bore a tunnel in the mountain.