trimming hatch,trimming hole

Using mathematical statistical method,this paper studies mine transport system′s uneven load,which provides a type selection design method for transport equipment under non steady load.

应用数理统计原理，对井下运输系统的非均匀货载进行了分析和研究，为运输设备在非恒定运量的情况下寻找出一种选型计算方法。