钻杆

供应商: 朗威

供应产品

石油钻杆,水井,非开挖,地质钻杆等

外径:50~127mm

长度:R1 R2 R3 



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钻杆 石油钻杆,水井,非开挖,地质钻杆等 外径:50~127mm 长度:R1 R2 R3 
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