operational meteorological condition 作业气象条件 overriding operational condition 意外之操作状况 normal operational and habitable condition 正常操作和适居状况 ..
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目的了解我省煤矿井下采掘作业地点气象条件现状，为井下作业人员职业防护提供依据。
Objective To understand the status of environmental meteorology in underground workplace of coal mine in our province.
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