... tenorite 土黑铜矿 thick walled pipe 厚管 tailing 尾矿 ...
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... thick plate厚板 thick walled pipe厚壁管 thick walled tube厚壁管 ...
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thick-walled pipe 厚壁管
p91 steel thick-walled pipe P91钢厚壁管
large diameter and thick-walled pipe 大口径厚壁钢管
thick walled drill pipe 厚壁钻杆
thick-walled cast pipe 厚壁铸管
thick-walled casting pipe 厚壁铸管
thick walled seamless pipe 厚壁无缝钢管
thick-walled steel pipe pile 厚壁钢管桩
thick-walled stainless steel pipe 不锈钢厚壁管
·2,447,543篇论文数据，部分数据来源于NoteExpress
Finished pipe materials and special thick-walled tube 18000 tons, forming a middle class.
材质的成品管及特殊厚壁管18000吨，形成了产。
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