1.Max spacing of control joints in driveways?
1.车道控制缝的最大间距是多少？
2.Max number of parallel bars in a single bundled unit?
2.单个捆扎单元中平行钢筋的最大数量是多少？
3.Foundation ventilation openings: at least____per 150 sq ft under-floor area.
3.地基通风口：每 150 平方英尺的地下空间面积至少应有____ 的通风开口。
4.What is a common cause of severe cracking in concrete?
4.导致混凝土严重开裂的常见原因是什么？
5.Why be cautious adding water to concrete?
5.为什么要谨慎向混凝土中加水？
6.How far from a corner should foundation ventilation be spaced?
6.地基通风口距墙角的间距应至少为多少？
7.High slump value indicates:
7.坍落度值高表明：
8.Effect of too much water in concrete?
8.混凝土中水过多的影响？
9.Which soil type has sand and loose particles?
9.哪种土壤类型含有沙子和松散颗粒？
10.What mainly sets cement apart from concrete?
10.水泥和混凝土的主要区别是什么？
