safety monitoring on coal mining 基本例句 煤矿安全监测 The paper discussed the several problems existed in the present mine safety monitoring and control system in China coal mines and provided the improved proposals.摘要对我国煤矿现存的煤矿安全监测监控系统在使用过程中存在的一些问题进行了探讨，并提出改进建议。