To do so, he does not cause surface layer and cement mortar is inconsistent, surface water mud too much, easy to the problem of craze.
这样做，就不致造成表面与里层砂浆配合比不一致，表面水泥浆太多，易于开裂的问题。
And in the surface of the cement mortar, contains alkaline materials, therefore, embedding common glass cloth fabric, does little.
而在面层砂浆的水泥里，含有碱性材料，因此，埋入普通玻璃纤维网布，起不了什么作用。
Has a good compatibility with the other material, its waterproof surface can freely paint the cement mortar, whitewash plaster, painting and resin dope.
与其它材料兼容性好，其防水层表面可随意涂刷水泥砂浆、白灰膏、油漆、树脂涂料等材料。
Fracture energy, strength, shrinkage and expansion properties of cement mortar are studied under different moisture content and surface tension solutions.
以水泥砂浆为研究对象，对不同水分含量及不同表面张力溶液下砂浆的断裂能、强度及收缩膨胀性能进行了研究。
This treatise mainly introduces the equipment and the production technology of cement mortar lining at the inter surface of cast iron pipe and the quality inspection of the products.
主要介绍铸铁管内表面涂衬水泥沙浆的设备、生产工艺及产品的品质检验。
This treatise mainly introduces the equipment and the production technology of cement mortar-lining at the inter-surface of cast iron pipe and the quality inspection of the products.
主要介绍铸铁管内表面涂衬水泥沙浆的设备、生产工艺及产品的品质检验。
This treatise mainly introduces the equipment and the production technology of cement mortar-lining at the inter-surface of cast iron pipe and the quality inspection of the products.
主要介绍铸铁管内表面涂衬水泥沙浆的设备、生产工艺及产品的品质检验。
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