Non-toxic natural material, disposal as normal dirt, however should be in accordance with environmental regulations.

无毒天然物质，将其当作一般泥沙处置即可，但须符合环保规范。

youdao

Non-toxic natural material, disposal as normal dirt, however should be in accordance with environmental regulations.

无毒天然物质，将其当作一般泥沙处置即可，但须符合环保规范。

youdao