我们任意大小和形状的风管系统的设计用来补充复合系统其他组成部分。

Duct Systems of any size and shape have been designed to complement other components of a composites system.

youdao

我们任意大小和形状的风管系统的设计用来补充复合系统其他组成部分。

Duct Systems of any size and shape have been designed to complement other components of a composites system.

youdao