H3P04 method

• 磷酸法

H3P04 method的用法和样例：

例句

1. Twice technology reforms and the structure of main equipment for the recovery of chromic acid sludge by phosphoric acid method are described.
   介绍该厂铬盐车间利用磷酸法对铬酸渣回收利用的两次技术改造及主要设备的结构，以供同行业厂家参考。