It is a traditional sandbag replacement product, without hanging, with a buffer.

它是传统沙袋更新换代产品、不需吊挂具有缓冲性。

youdao

It is a traditional sandbag replacement product, without hanging, with a buffer.

它是传统沙袋更新换代产品、不需吊挂具有缓冲性。

youdao