... 污染系数 contamination factor 污染限制 pollution restriction 污染效应 polluting effect ...
基于100个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
With the attention increasingly given to environmental pollution, restriction of diesel engine emission in many countries is becoming more and more rigorous.
随着人们对环境污染重视程度的提高，世界各国对柴油机排放的限制也日益严格。
youdao
应用推荐
模块上移
模块下移
不移动