这些现代的混凝土建筑已经显得破旧了。

These modern concrete buildings have worn badly.

youdao

混凝土泵在现代建筑施工中扮演着越来越重要的角色。

Concrete delivery pump plays a more and more important role in modern construction engineering.

youdao

混凝土泵在现代建筑施工中扮演着越来越重要的角色。

Concrete delivery pump plays a more and more important role in modern construction engineering.

youdao