您要查找的是不是：
- a small portable drill held and operated by hand. 用手掌握和推动的一种小手动钻机。
- a small portable drill held and operated by hand 用手掌握和推动的一种小手动钻机
- Development of Comprehensive Protector for Portable Drill with All Digital 轻便钻机全数字综合保护装置的研制
- This portable rig can only drill 15m deep holes. 这台人抬钻机只能打15米深的井。
- Bob tuned in his portable radio to a record show. 鲍伯收听手提收音机的唱片广播。
- a portable drill with a plate that is pressed against the chest to force the drill point into the work 有一块可以把胸部压上来使钻头对准目标的金属板的手动钻机
- Completely portable and very light weight. 便携式的，而且重量很轻。
- portable drilling and tapping machine 轻便钻孔攻丝机
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- Portable telephones are very popular nowadays. 现今，移动电话非常普及。
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- He found that little TV extremely portable. 他觉得那台小小的电视机携带极其方便。
- I bought my son a portable typewriter. 我给儿子买了一台手提式打字机。
- You'd better set a goal before you start the drill. 练习开始前，你最好设定一个目标。
- After a long drill he told the squad to fall out. 操练了好半天之后，他让这个班解散了。
- The document had been typed on a small portable. 这份文件是用便携式打字机打的。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- This drill can bore through rock. 这台钻机能钻透岩石。
- The new portable computers are going like hot cakes. 新的便携式计算机卖得很快。
- The dentist's drill made a lot of noise. 牙钻发出很大的噪音。
