或用质地软有弹性不透气的橡胶板遮盖在地漏上。

Or texture of soft flexible rubber airtight floor drain in the cover plate on.

youdao

或用质地软有弹性不透气的橡胶板遮盖在地漏上。

Or texture of soft flexible rubber airtight floor drain in the cover plate on.

youdao