Decentralized processing serves as an indispensable measure for water pollution control and it is a necessity for public health and for building harmonious society. 分散處理是水污染治理的必要措施，也是公共衛生事業發展與建設和諧社會的需要。
Enhancing gas well producibility by acided-fracturing is the necessary measure of all Qianmiqiao bruied hill condensate gas reservoir prospect and exploitation well. 采用酸化壓裂增加氣井產能的方法已成為千米橋潛山凝析氣藏所有探井和開發井的必要措施。
