聚焦中美贸易战:双面豁免是否取消都对中国影响不大!,国际动态

2025-08-08

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随着我国对环境空气污染物监测要求的不断提高,多氯联苯PCBs)作为持久性有机污染物POPs)的重要成员,其准确测定对环境保护和公共健康至关重要。为满足HJ 902-2017《环境空气 多氯联苯的测定

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摄影:蔡海珊
作者/通讯员:蔡海珊 | 来源:商贸流通研究院 | 编辑:伍一龙