The Sand and Crushed Stone Filter Backwash Water Circulation Recycle
砂石过滤器反洗水循环再利用
The ore is crushed to the consistency of fine sand and the uranium is removed.
矿石被压碎成粒度一致的细砂，铀被取出。
The Guizhou mountain sand is the crushed sand of limestone ordolomitic limestone.
基山砂体是惠民凹陷勘探的主力砂体，前景广阔。
Portland Cement cement is a material that holds together the sand and crushed stone in concrete.
硅酸盐水泥是可以将沙和碎石混合黏住的物质。
Portland Cement cement is a material that holds together the sand and crushed stone in comcreteconcrete.
硝酸盐水泥能将混泥土里得沙石粘合在一起。
Research on Making High Quality Superfine Sand Concrete with Crushed Limestone Containing Powder Panicals.
含粉状颗粒石灰岩碎石配制特细砂混凝土的研究
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