丝攻 meaning in Chinese

tapper

Wire offensive machine
机用丝攻
Wire offensive machine wire spiral groove machine cone stalk cutter wenling guanzhong tool co . , ltd
机用丝攻螺旋沟机丝锥柄立铣刀温岭市关中工具有限责任公司
Wenling city in central tool is a limited liability company specializing in the production of large silk offensive machine new and old superscript , single vessel , to pay into the left teeth . non - standard , the
温岭市关中工具有限责任公司是一家专业生产机用大丝攻新老标单支成付左牙非标，螺旋沟