Generally applicable to the municipal pipe network pressure slightly higher areas or near water high pressure range.

一般适用于市政管网压力稍高的地区或水厂附近压力较高的范围内。

youdao

Generally applicable to the municipal pipe network pressure slightly higher areas or near water high pressure range.

一般适用于市政管网压力稍高的地区或水厂附近压力较高的范围内。

youdao