If an air-entraining cement is heavily whisked, as much as 60 per cent of air may be drawn into the concrete.
如果极力搅拌加气水泥，则混凝土中的含气量可达60％。
In countries air-entraining cement can be bought from the cement maker, no air-entraining agent needs to be mixed in.
在一些国家中，可以从水泥制造厂处买到加气水泥，而无须中间人介入。
On Cement Concrete Admixtures and Adaptability of Cement
论水泥混凝土外加剂与水泥的适应性
testing method for air content of hydraulic cement mortar
水泥空气含量测定法
These rivers of concrete make flooding worse and cities warmer.
这些“水泥河”使河流泛滥更加严重，使城市的气温升得更高。
Others include oil and gas refineries and cement makers. Some business leaders worry that electricity costs will increases.
包括石油、然气厂以及水泥企业。一些工商界人士担心电力成本增加。
Humidification: Addition of water vapour to air.
加湿:在空气内加入水气。
Study of the Mechanism of Interaction between Shape Steel and Cemented Soil of Reinforced Cemented Soil Retaining Wall;
加筋水泥土挡墙型钢与水泥土作用机理研究
Study on Carbon Dioxide Fluxes Across Water-air Interface in Nihe Reservoir
泥河水库水—气界面CO_2通量研究
Mix the sand and cement together, then add water.
把沙子和水泥混在一起再加水.
Experimental Study on Unconfined Compressive Strength of Silt Soil Consolidated by Cement and Lime
水泥、石灰加固淤泥土无侧限抗压强度试验研究
hydraulic cement [mortar]
水硬水泥 [灰泥]
Asbestos-cement pressure pipe for gas transmission
GB/T3040-1982石棉水泥输煤气管
testing method for fineness of portland cement by air permeability apparatus
波特兰水泥粒度试验-空气渗透设备法
Research on the Gas-channeling Prevention Performance Evaluation Method of Cement Slurry
固井水泥浆防气窜性能评价方法研究
Anti-bit balling for PDC bits of horizontal wells in Changqing gas field
长庆气田水平井PDC钻头防泥包技术
Appliation of screw press dewaterer in wastewater treatwent on gas field
螺压脱水机在气田污泥处理中的应用
Sheath Isolation Evaluation in Gas Wells
天然气井水泥环封隔能力的测井评价