搜索结果: 1-2 共查到“市政工程 A New”相关记录2条 . 查询时间(0.39 秒)

Materials emitted by a water pipe-repair method may pose health risks,new safeguards and research needed(图)
Materials emitted water pipe-repair method health risks new safeguards and research
2017/9/1
New research is calling for immediate safeguards and the study of a widely used method for repairing sewer-, storm-water and drinking-water pipes to understand the potential health and environmental c...