The study on the control of slump of commercial concrete 商品混凝土塌落度控制的研究
2.
Method of test for slump of concrete 混凝土塌落度的试验方法
3.
L & t is required to control the quality of supplied concrete to ensure the qualified slump and workability of concrete during casting 要求l & t注意控制混凝土的质量,保证供到施工现场的混凝土塌落度及和易性。