radio-frequency welding 射频熔接...A.C. arc welding 交流电弧焊...back welding 封底焊...gas metal-arc welding 气体保护金属极电弧焊;熔化极气...ac arc welding 使用交流电弧焊接机之焊接...acetylene welding set 乙炔焊装置;乙炔气焊装置...v-welding V形锻接...eam welding 沿缝熔接,缝合熔接...welding a.焊的熔接,焊接,锻接...acetylene welding 乙炔熔接...wlot welding 槽缝熔接...gas pressure welding 气体压力熔接...ultrasonic metal welding 超声波金属焊接...welding transformer 熔接用变压器...vacuum welding 真空焊接...oxyhydrogen welding 氢氧焊...butt seam welding 对接缝电阻...upward welding in the inclined position 上坡焊...submerged-melt welding 掩蔽电弧熔接法,潜弧熔接法...keyhole-mode welding 穿透型焊接法...arc percussive welding 弧震熔接...
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