1 reinforced concrete can be poured into various shapes, such as beams, columns, plates and arches.2 An important feature of building materials is stiffness.3 because the thickness of the wall required a large, load-bearing wall structure of the building height restrictions.4 high-rise buildings of the early de...
1钢筋混凝土可被浇筑成各种形状，例如梁、柱、板和拱。 Reinforced Concrete can be poured into various shapes, such as beams, columns, plates and arches. 2建筑材料的一个重要特征是刚度。 One of the important features ...
1钢筋混凝土可被浇筑成各种形状，例如梁、柱、板和拱。 1 reinforced concrete can be pouring into various shapes, such as beams and columns, plate and arch.2建筑材料的一个重要特征是刚度。 2 building materials is one ...
你好！纯人工翻译的！1，reinforced concrete can be built into all kinds of shapes such as girders,pillars,boards and arches.2,one of the most important characters of construction materia...
