execution of air quality monitoring
... Execution of water quality monitoring 水质监测作业 Execution of air quality monitoring 空气质量监测作业 Assess Quality execution 评估质量执行情况 ...
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萨戈矿难后，联邦通过法规，加强了对作业段和密封段内空气质量的监测，以避免甲烷聚集。
Federal regulations passed after the Sago disaster increased the monitoring of air quality in active and sealed sections of the mines to avoid methane build up.
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