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新型高效低耗复合片齿４２２Ｐ１Ｃ、３Ｐ１ＣＢ２５整钎的研制成功，填补了凿岩钎具产品的一项空白。本文介绍了该整钎研制情况和工业考核结果，评述了其优越性和应用前景。
The new high-efficiency low-loss composite film tooth 42 2P1C, 3P1C B25 whole brazing successfully developed to fill the rock drill products a blank. This article introduced the whole brazing research and industrial assessment results, reviewed its superiority and application prospects.