Eggshell powder can be made yourself, by saving the raw shells, drying and then running them through a coffee grinder.

你自己可以做蛋壳粉，收集碎的蛋壳，晒干，然后碾碎。

youdao

Eggshell powder can be made yourself, by saving the raw shells, drying and then running them through a coffee grinder.

你自己可以做蛋壳粉，收集碎的蛋壳，晒干，然后碾碎。

youdao