A first-class comprehensive building with complex functions always has complex fire-fighting system design.

一座功能复杂的综合性一类建筑，其消防系统的设计也比较复杂。

youdao

A first-class comprehensive building with complex functions always has complex fire-fighting system design.

一座功能复杂的综合性一类建筑，其消防系统的设计也比较复杂。

youdao