例句與造句

1. Chemical addition system
   化學添加系統(tǒng)
2. The gravitational coagulant addition system has been used in no . 2 water works of chengdu water supply company for 1 year , and it has achieved good results
   這種以數(shù)學模型為核心的重力投藥系統(tǒng)，在成都市自來水總公司二廠投入運行以來，取得了良好的經(jīng)濟和社會效益。
3. We establish a gravitational coagulant addition system which core is establishing mathematical model on the basis of the actuality of water works in different country , and we successfully resolved the problem that the ordinary coagulant addition systom is always irreliable . the gravitational coagulant addition system which can be used in different water works is economical and reliable . we analyze several factors which influence the addition quantity of coagulant
   本文在分析研究國內外有關給水處理廠的投藥系統(tǒng)的現(xiàn)狀的基礎上，結合我國的實際情況，提出了以數(shù)學模型為核心的給水處理廠的重力投藥方式，成功的解決了長期困惑給水處理廠的投藥系統(tǒng)運行不可靠的難題，系統(tǒng)建設既經(jīng)濟又可靠，適合于大、中、小型給水處理廠，具有較強的應用空間。
4. It's difficult to find addition system in a sentence. 用addition system造句挺難的