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钻头磨损指数磨损阻力的测量，这种磨损取决于材料的磨损硬度。该指标用来预测钻具的使用寿命，是钻速系数和磨损值的函数
expl. bit wear index; BWI
钻头 磨损指数
: 1 phrase in 1 subject
Drilling1

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