There is a greater density of household goods; they demand more services such as sewage and drainage.
家用物品更加密集；他们需要诸如污水处理和下水道之类的更多设施。
By controlling the range of the dry density, magnitude of cement and water cement ratio of mixture, the requirement of drainage property and structure strength can be fulfilled.
通过控制混合料的干密度、水泥用量和水灰比的取值范围，可使混合料同时满足排水性能要求和结构强度要求。
The influence of confining pressure and drainage shear condition and initial relative density for flyash in steady-state deformation characteristic were discussed.
着重研究了周围压力、剪切排水条件、初始相对密实度对粉煤灰稳态变形特性的影响；
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