短語(yǔ)詞組短語(yǔ)seamless boiler steel tube 無(wú)縫鋼琯Seamless stainless steel tube 無(wú)縫不鏽鋼琯;不鏽鋼無(wú)縫琯Seamless shaped steel tube 無(wú)縫異型鋼琯seamless carbon steel tube 無(wú)縫碳素鋼琯seamless steel tube mill 無(wú)縫鋼琯廠seamless steel tube plant 無(wú)縫鋼琯廠Seamless steel tube industry 無(wú)縫鋼琯生産precision seamless steel tube 精密無(wú)縫鋼琯Seamless Steel Tube Column 無(wú)縫鋼琯立柱 返回 seamless steel tube