凿孔 meaning in English
punching; piercer
Examples
- Metal chisels , punches , and drift pins : safety requirements
金属凿凿孔机和冲钉:安全要求 - Punching and stamping . codification for designating material perforations
冲孔与冲压.材料凿孔标示的编码 - Swing angle , ring rig
凿孔深度钻架前后摆角 - Computer entry punch
计算机输入凿孔机 - Max . drilling depth
最大凿孔深度