单词	butt welder
释义	butt welder 对焊机,对接焊机
随便看	common relocation common replenishment epoch common replenishment epochs common replenishment period common representation common required course of football common required courses common-required courses common required music education common required PE courses common required theory course common requisite common requisites common requisites in constitution of crime common reserve fund common reserve funds common reservoir common residence common residents common resin common resource common resources Common resources for education common return common return circuit