For air-conditioning water system, the transmission power ratio of the total energy consumption increases with the system scale increases.
对于空调水系统来说，输送能耗占总能耗的比例随系统规模的增大而增加。
It also studies the influences of W/C ratio, water reducer, and air- detraining admixture on the porosity and apparent porosity and of porosity and apparent porosity on the intensity.
文章简要介绍了水泥石各种类型气孔的形成原因，研究了水灰比、减水剂、消泡剂对孔隙率、表观孔隙率及强度等的影响。
Concurrently analyzed is that improvement of effective thermal efficiency after rise in compression ratio and water injection is resulted from thermal efficiency promotion of fuel-air ideal cycle.
同时分析了提高压缩比并掺水蒸气后有效热效率提高的主要来源是燃料—空气理想循环热效率的提高。
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