This coffee grinder has a stainless steel blade that spins around, similar to a blender.
这种咖啡机有一个不锈钢的刀片，可以像搅拌机那样旋转。
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。
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。
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