李蒙 2021-07-17 11:14 开发者_JAVA技巧建筑垃圾的主要成分是混凝土、石灰、砂石、渣土等，不存在“二次污染”的问题，比较利于处理；但是建筑垃圾中的建筑用胶、涂料、油漆不仅是难以生物降解的高分子聚合物材
I\'ve been asked to quote on how long it would take to deliver a system such as can be found here: http://cgi.tnt.co.uk/ratechecker/enter_details.asp
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