查询词典 portland cement

The Portland Cement Association says the gas from the limestone is reabsorbed as concrete ages.

波特兰水泥协会表示，在混凝土老化的过程中，石灰石释放的气体会被重新吸收。

The Portland Cement Association says the gas from the limestone is reabsorbed as concrete ages.

波特兰水泥联合会表示，在混凝土老化的过程中，石灰石释放的气体会被重新吸收。

Since then, the slag Portland cement and the durability of a good value for the people by constantly understanding of the early 19th century in Europe has been widely used.

自那时以来，矿渣硅酸盐水泥和耐久性的一个很好的价值的人不断了解19世纪初在欧洲已得到广泛应用。

The increase of the strength of slag Portland cement is influenced by the factors of the composition, structure, the quality of slag, mixture, etc.

阐述矿渣硅酸盐水泥的强度增长是受水泥熟料的组成、结构、矿渣质量与掺量等因素的影响。

The selection and control method of lime saturation factor in preparation for alite-rich Portland cement clinker was discussed.

分析了不同C3S含量硅酸盐水泥熟料的矿物形成过程、易烧性及矿相结构差异，对高C3S含量硅酸盐水泥熟料适宜的极限石灰率值选择及控制方法进行了探讨。

Portland cement are also used in the manufacture of many other construction materials.

硅酸盐水泥也经常被用来制造非常多其它的建筑材料。

Portland cement are also used in the manufacture of many other construction materials.

硅酸盐水泥也被用于许多其他建筑材料的制造。

Able to set and harden under water, as Portland cement.

在水中变硬的能在水下定型并变硬的，如波特兰水泥

During the nineteenth century, 20, made of Portland cement, concrete has come out.

土木工程进入了钢筋混凝土和预应力混凝土占统治地位的历史时期。

Concrete is a basic construction material made with portland cement as a primary ingredient.

混凝土是一种基本的建筑材料与硅酸盐水泥混合而成的一个主要成分。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。