... 源头减轻污染措施 at source mitigation measure ; measure 在源头减少污染 reduction at source 室内空气污染源头 Sources of indoor air pollution ...
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waste reduction at source 源头垃圾减量
pollution reduction at source 源头削减污染
reduction at the source 减少来源
waste reduction at the source 废物源头削减
·2,447,543篇论文数据，部分数据来源于NoteExpress
Firstly, based on the preliminary evaluation for environment of dangerous source at the prospecting stage, the risk factors effect and construction of risk reduction can be determinated.
首先，据勘察资料对隧道突涌水的孕险环境进行初步评价，以确定隧道不同区段降低致险因子影响度的施工对策；
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