Decentralized processing serves as an indispensable measure for water pollution control and it is a necessity for public health and for building harmonious society. 分散处理是水污染治理的必要措施，也是公共卫生事业发展与建设和谐社会的需要。
Enhancing gas well producibility by acided-fracturing is the necessary measure of all Qianmiqiao bruied hill condensate gas reservoir prospect and exploitation well. 采用酸化压裂增加气井产能的方法已成为千米桥潜山凝析气藏所有探井和开发井的必要措施。
