perforator的用法和样例：
词汇搭配
- bullet perforator 子弹射孔器
- casing perforator 套管射孔器
- perforator character 穿孔机,符号...
- perforator characters 凿孔机字母
- stick perforator 金属棒凿孔机,锤击穿...
- tape perforator 带穿孔机
- perforator slip 穿孔纸条
- film perforator 胶片打孔机
- receiving perforator 接收穿孔机,复凿机,...
- keyboard perforator 键盘穿孔机
- mallet perforator 锤式冲孔机
- teletypewriter perforator 电传机凿孔器...
- well perforator 井射孔器
- pneumatic perforator 气压凿孔机
- numeric perforator 数字凿孔机
- rib perforator 肋骨打孔器,肋骨穿孔...
- gun perforator 子弹射孔器,射孔器...
- tubing perforator 套管冲孔器
- jet perforator 喷射式射孔器...
