渗滤系统
过滤系统

filtration system的用法和样例:

例句

  1. Nitrogen and phosphorus removal mechanism in subsurface wastewater infiltration system treating domestic wastewater was studied.对地下渗滤系统处理生活污水的氮磷去除机理进行了研究。

Beijing will launch a pilot program to equip schools and kindergartens with air filtration devices. Smog has been a significant issue in the Chinese capital this winter. I was coughing just now, I always wear mask, from school to home. The air is cho

发表于:2018-12-02 / 阅读(164) / 评论(0) 分类 2017CRI中国国际广播电台

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(199) / 评论(0) 分类 2007年VOA标准英语(五月)
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airport runway
Algiers
allocated resource table
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