The invention is purposed to use the cover with breaking function to effectively break the material in the breaking funnel, and avoid the splash of broken matter.

本发明的目的是通过具有粉碎功能的盖子，将投入粉碎斗的原料高效地粉碎，并且防止粉碎物飞溅。

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Replacing concrete with porous pavement, employing green roofs and rain barrels, restoring creeks and wetlands, and increasing tree cover can help cities absorb rain water rather than funnel it to sewer systems.

WHITEHOUSE: Building the Future: Innovative Water Infrastructure