How to depose the solid waste of mines, improve environment and take full advantage of avail element in solid waste, is an emphasis subject faced by human being society.
如何处理矿山固体废物,既能使矿山生态环境得到改善,又可变废为宝,充分利用矿山固体废物有用成分,是人类社会面临的重要课题。
The video tutor also has a couple of avail aments.
视频辅导也有一些缺陷。
So, avail yourself of that. Find a newspaper.
因此,自己去利用这些资源。找一份报纸。
We have to invent a process, a chemical extraction process that will make the production of magnesium cheaper so that we will have the opportunity to avail ourselves of energy-efficient materials.
我们必须发明出一种方法,一种化学提炼方法,能够使生产镁变得更便宜,那样我们才有机会,让我们自己用上高效能的材料。
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