单项选择题
Three methods for simulation of load weight of Similar ...
多项选择题Three methods for simulation of load weight of Similar Material Model（ ） A. Using the weight of equivalent material itself to simulate self weight B. Add water to simulate dead weight C. Applying surface force to simulate self weight D. Exerting physical force to simulate self weight
某水泥稳定碎石重型击实试验测试结果为：试筒质量6590g，试筒容积2177cm3.试筒与湿样合计质量11600...
单项选择题某水泥稳定碎石重型击实试验测试结果为：试筒质量6590g，试筒容积2177cm3.试筒与湿样合计质量11600g，代表试样含水率6.2%，则混合科干密度为（ ）g/cm3。
常用视图基本操作三种模式：（ ）
多项选择题常用视图基本操作三种模式：（ ）
