I was crushed under three big concrete plank and could not move.
三块预制板把我压在底下，使我不得动弹。
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。
Twisted metal,crushed concrete,13 lives lost after bridge collapses during rush hour Minneapolis.
美国明尼苏达州一座桥梁倒塌，导致13人遇难。
Experimental study and analyse on penetration effect for crushed corundum concrete against projectile
刚玉碎石混凝土抗弹丸侵彻效应研究与分析
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
Roller crushed concrete is adopted first within our country in dams with bottom conduits in Guanyinge reservoir.
观音阁水库底孔坝段采用碾压混凝土尚属国内首例。
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