预制楼梯
2017.09.26
1、可进行标准化作业,养护条件优于施工现场,使得设计强度与实际强度度标准差更小,性能更稳定;
2、可进行标准化检验,大大降低不符合设计强度要求的混凝土应用在建筑物上,强化建筑物质量。
In the pursuit of all the staff material and spiritual aspects of happiness at the same time,
for the progress and development of human society to contribute
In the pursuit of all the staff material and spiritual aspects of happiness at the same time,
for the progress and development of human society to contribute