It can be designed into a fixed system of withdrawable type and fixed type according to different requirements.

依据不同需要可设计成抽屉式和固定式混合系统。

youdao

It can be designed into a fixed system of withdrawable type and fixed type according to different requirements.

依据不同需要可设计成抽屉式和固定式混合系统。

youdao