This paper is aimed at presenting the authors' study and analysis on the economic system for a virtuous circulation mode with teletube glass scraps in China by using the method of system analysis.
近年来,我国CRT显像管制造行业

展,但制造显像管所需的大量优质矿石和化工原料的开
和合成过程却破坏了自然生态环境,还造成环境污染。
:
例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若
现问题,欢迎向我们指正。


