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Experimental study on properties of pit sand concrete containing the phosphorus slag fine powder 磷渣微细粉山砂混凝土若干性能的试验研究
pit sand concrete 山砂混凝土
Finally, the author briefly discusses the application of diabase-fine sand concrete hi engineering, and summarizes a set of technology on the construction of this concrete. 最后，作者介绍了辉绿岩细砂混凝土在实际工程中的应用情况，并总结出辉绿岩细砂混凝土的施工工艺。
Finally, the author briefly discusses the application of diabase-fine sand concrete in engineering, and summarizes a set of technology on the construction of this concrete. 最后，作者介绍了辉绿岩细砂混凝土在实际工程中的应用情况，并总结出辉绿岩细砂混凝土的施工工艺。
The children were playing in the sand pit. 孩子们在沙坑中玩耍。
The special fine sand concretes are now in common use of constructional engineering in some areas in our country. 特细砂混凝土在我国一些地区的建筑工程中普遍使用,但是,在特细砂混凝土施工时,极易出现分层现象。
Concrete is made of cement, sand, stone and water. 混凝土是由水泥，砂子石头和水混合做的。
Test research on fine sand concrete 细砂混凝土试验研究
recycled foundry sand concrete brick 再生铸造砂水泥砖
Based on the mining condition and geographical environment,Laiwu iron mine must be to use sectional tail sand concretion filling mining method in the process of mining production. 根据莱芜铁矿的开采技术条件和地理环境，需采用分段尾砂固结充填采矿法。
Many coal-miners were imprisoned in a pit accident. 在一次塌方事故中，许多矿工被压在了井下。
Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
The sand blew into the food and made it gritty. 砂吹进食物中，里边尽是砂子。
The managers want to pit the champion against John. 经理人想让冠军与约翰比赛。
The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
The concrete walls are reinforced with steel rods. 混凝土墙是用钢筋加固的。
The managers want to pit the champion against an unknown. 经理们想让冠军与一名未成名的选手比赛。
A hole or pit, especially one in a road surface. 坑洞尤指路面上的涡穴或坑洞
The sun blazed down on the sand. 阳光强烈地晒在沙滩上。
His company was built on the sand. 他的公司根基不稳固。