短語詞組短語flash roaster welder 閃光焊機flash butt welder 閃光對接焊機;閃光焊機;閃光對焊工Shear -flash Butt Welder machine 剪切flash h butt welder 閃光對接焊機operated cam type flash welder 電動凸輪式閃光焊機motor -operated cam type flash welder 電動凸輪式閃光焊機 返回 flash welder