Closed type deck series, all the hanging accessories are complete, especially for the high building.

闭口式楼承板系列，各种悬挂配件齐全，尤其适合高层建筑。

youdao

Closed type deck series, all the hanging accessories are complete, especially for the high building.

闭口式楼承板系列，各种悬挂配件齐全，尤其适合高层建筑。

youdao