The technology and main methods in concrete transportation and concreteplacing, maintenance of concrete and the notable problems are analyzed.
本文分析了混凝土运输中的的技术和主要方法，混凝土的浇筑以及混凝土的养护方法和应注意的问题。
2
Based on the characteristics of three different grain depots, the paper introduces the process of selection of materials, thermal insulation, concreteplacing and curing.
文中针对三种不同粮库的工程特点，介绍了从原材料选择、现场保温措施、混凝土浇灌、养护等的全过程。
3
Several soldiers mix cement on the street, lifting it up to their colleagues who use it as mortar, placing a concrete block on top of concrete block.