Results showed that: in the same cutting depth, the force employed on the point-attack pick is bigger than that on the knife tooth;
试验结果表明：相同截深时锥形截齿截割力比扁型截齿截割力大；
Results showed that: in the same cutting depth, the force employed on the point-attack pick is bigger than that on the knife tooth;
试验结果表明：相同截深时锥形截齿截割力比扁型截齿截割力大；
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