短語(yǔ)詞組短語(yǔ)Gas pressure welding 加壓氣銲;氣焰壓接;氣壓銲接gas pressure welding machine 氣壓銲接機(jī)gas pressure welding method 加壓氣銲法intelligent gas pressure welding 智能型氣壓銲gas pressure welding joint 氣壓銲接頭open butt gas pressure welding 開(kāi)式加壓氣銲;開(kāi)式增大壓力氣兒銲closed butt gas pressure welding 閉式加壓氣銲joint after gas pressure welding 氣壓銲接頭gas pressure welding of rail 鋼軌氣壓銲 返回 pressure gas welding