The cuttingpart of a drill usually pointed and threaded and is replaceable in a brace or bitstock or.
钻机的切割部分；通常是尖头的有螺旋状图案并且可以更换用在柱柄或上。
2
The theory and algorithm of BP neural network were introduced, and it was used in the fault trend prediction for cuttingpart transmission system of mining machine.
介绍了BP网络的原理、算法，并用BP网络对采煤机截割部齿轮箱机械传动系统的故障进行了趋势预测。
3
Aim to the problem of cuttingpart with shearer at the mechanical repair workshop, the loading test bed for shearer cuttingpart undergoing maintenance is manufactured.