Severe corrosion prevention for metal process pipelines of acid, base and salt.

酸、碱、盐等金属工艺管线的重腐蚀防护。

youdao

Severe corrosion prevention for metal process pipelines of acid, base and salt.

酸、碱、盐等金属工艺管线的重腐蚀防护。

youdao