Seamless Steel Tube For Drilling的意思|示意
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钻探用无缝钢管
Seamless Steel Tube For Drilling的网络常见释义
钻探用无缝钢管 ... Seamless Steel Tube无缝钢管;无缝套筒 Seamless Steel Tube For Drilling钻探用无缝钢管 Seamless Steel Tubing无缝套筒 ...