operating status短语²⁵⁴³² 基本例句 经营状况 Based upon shearer's operating status monitoring, fault diagnostic expertise system is used to deduce the possible faults of shearers and thus improve the correctness and efficiency of maintenance. 在采煤机工况监测系统基础上，利用故障诊断专家系统来推理采煤机可能出现的故障，从而提高维修有效率和准确性。 cnki