水泥砂浆衬里技术是一项应用较广的实用技术，一般在输送有一定腐蚀性水质时采用。

Cement mortar lining technology is often resorted to when corrosive water is to be carried.

youdao

水泥砂浆衬里技术是一项应用较广的实用技术，一般在输送有一定腐蚀性水质时采用。

Cement mortar lining technology is often resorted to when corrosive water is to be carried.

youdao