A new synthetic diamond impregnated matrix for drill bit used in hard formation is designed.

针对软硬交错、研磨性高的地层设计了一种新型人造金刚石混合孕镶块。

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A new synthetic diamond impregnated matrix for drill bit used in hard formation is designed.

针对软硬交错、研磨性高的地层设计了一种新型人造金刚石混合孕镶块。

youdao