Category of Waste的意思|示意

Clothing and shoe repairs, which are also included, are rarely considered a waste, but they account for a relatively modest portion of this category.

也包括衣服和鞋的维修，这很少被认为是浪费，但是他们占了这一类相当的比例。

Electronic waste, or e-waste, is the fastest growing category of trash, and it includes computers, cellphones, game consoles and some of the hardest-to-recycle materials.

电子垃圾（e-waste）已经成为数量增长最快的垃圾种类，它包括电脑、手机、游戏机和一些难以回收的材料。

Applicable field of flocculants in waste water treatment was summarized. Category of flocculants was introduced and the latest research progress of flocculants was reviewed.

概述了水处理絮凝剂的应用领域，介绍了水处理絮凝剂的种类，并对絮凝剂的研究进展进行了综述。