过去5年中，标准化的再生铅工业有关的政策和法规陆续出台。
Last 5 years, standardized Secondary Lead Industry-related policies and regulations promulgated one after another.
工业废料更有害，因为其中有许多毒性很强的材料，如铜和铅。
Industrial waste is even more harmful since there are many highly poisonous materials in it, such as copper and lead.
市中区紧挨着街道和高架公路，涂了油漆的破旧的建筑和老式工业厂房，所以更容易被金属铅污染。
Downtown land near major streets, freeways, dilapidated buildings with lead paint or aged industrial facilities is most likely to have it.
应用推荐