District heating. hot or cold water transport and distribution networks. particularities of design.

地区供热。热水或冷水输送和分配网路。设计的特殊性。

youdao

District heating. hot or cold water transport and distribution networks. particularities of design.

地区供热。热水或冷水输送和分配网路。设计的特殊性。

youdao