spudding bit – phrases

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Terms containing spudding bit | all forms | in specified order only

Subject	English	Chinese
tech.	combination spudding bit	组合式开孔钻头
dril.	spudding bit	开眼钻头
tech.	spudding bit	开眼顿钻钻头
tech.	spudding bit	亚层土钻进钻头