短语词组短语butt welding die 对接焊夹钳projection welding die 凸焊用电极die welding 冲模堆焊;[机]模锻焊;模焊;模压熔接mould & die welding repair 模具再生die fusion welding 型模覆焊Die And Welding Process 模具和焊接工艺Mold & Die Precise Welding 精密模具补焊设备 返回 welding die