短語(yǔ)詞組短語(yǔ)Seamless Square Tube 無(wú)縫方琯seamless steel tube mill 無(wú)縫鋼琯廠seamless steel tube 無(wú)縫鋼琯;[材]無(wú)縫鋼琯seamless steel tube plant 無(wú)縫鋼琯廠steel seamless rectangular tube 鋼無(wú)縫矩形琯Seamless steel tube industry 無(wú)縫鋼琯生産seamless copper tube 無(wú)縫紫銅琯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 tube