Crushed stone 还是 stone dust?

[muskell]

准备在地下室 window well 周围建一个两三层砖高的矮墙，上面盖上玻璃防雪。

问一下砖下面用 crushed stone 做基础，还是stone dust？看了一些网站，似乎不一致。

 

[OTTCHIN]

看看这个

Crushed Stone and Stone Dust in Ottawa | Greely Sand & Gravel Inc.

When you’re looking for Crushed Stone and Stone Dust in Ottawa, Greely Sand & Gravel has everything you need, from quality products to exceptional service.

greelysand.com

 

[光放]

mix

 

[Anakin]

用crushed stone 做基础，
用stone dust找平