短語(yǔ)詞組短語(yǔ)Seamless Square Tube 無(wú)縫方管seamless steel tube mill 無(wú)縫鋼管廠seamless steel tube 無(wú)縫鋼管;[材]無(wú)縫鋼管seamless steel tube plant 無(wú)縫鋼管廠steel seamless rectangular tube 鋼無(wú)縫矩形管Seamless steel tube industry 無(wú)縫鋼管生產(chǎn)seamless copper tube 無(wú)縫紫銅管precision seamless steel tube 精密無(wú)縫鋼管Seamless Steel Tube Column 無(wú)縫鋼管立柱 返回 seamless tube