Experimental research on hydration of cement, sunlight temperature field and temperature effect of railway concrete box girder is studied in this paper.
运用试验方法，对铁路混凝土箱形梁的水泥水化、日照温度场及温度效应进行研究。
Although it is said that the weight is not light, but in order to prevent the impact of bad weather on the advertising light box, or to build a cement square pier is good.
虽然说广告灯箱的的重量不轻，但为了防止恶劣天气对广告灯箱的影响，还是先砌一水泥方墩为好。
The cable saddle is a structure with its HDPE sleeves installed in a rectangular steel box and with the high-grade cement mortar grouted outside the sleeves.
采用HDPE分丝管索鞍，即将HDPE分丝管置于矩形焊接钢箱内，在分丝管外灌注高标号水泥浆的结构形式。
应用推荐