短語詞組短語shielded -arc welding 遮蔽電弧熔接shielded metal arc welding 手工電弧焊;焊條電弧焊;自動保護金屬極電弧焊;有保護的金屬電弧焊shielded carbon arc welding 有保護碳弧焊;碳弧保護焊;氣體保護碳極電弧焊;惰性氣體保護炭弧焊helium shielded -arc welding 氦氣保護弧焊is shielded metal arc welding 氣體保護金屬極電弧焊shielded metal arc welding technology 手弧焊工藝shielded metal arc welding equipment 焊條電弧焊的設備inert gas shielded -arc welding 惰性氣體保護焊inert -gas shielded tungsten arc welding [機]鎢極惰氣保護焊 返回 shielded arc welding