建筑材料
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建筑材料属于什么垃圾啊？？
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[详细]
2023-02-09 10:06 分类：问答Web based delivery pricing system - where to start?
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[详细]
2022-12-27 01:50 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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