... cable duct 电缆槽 cable fishing tool顿钻打捞工具 cable formation test电缆地层测试 ...
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The wire-line coring tool of HSQ serial has kept up the technical features of conventional placer drills and derived the advanced structure from steel cable fishing tool for inner barrel.
HSQ系列绳索取心钻具，既保持了现用砂钻钻进的工艺特点，又发挥了钢绳打捞内管技术的方便性。
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