The coating process for guardrails was described, in which the operation had to be strictly controlled in each procedure of pre-treatment, electrophoresis and powder coating.
介绍了护栏钢管双涂层涂装工艺，严格控制预处理、电泳及粉末喷涂各工艺操作。
The operation of hydrolysis acidification/pre-denitrification up-flow biological filter in Jingmen Fengle Wastewater Treatment Plant was introduced and summarized.
结合江门市丰乐污水处理厂工程，介绍和总结了水解酸化/前置反硝化上向流生物滤池工艺及其运行情况。
应用推荐