1.What is the distance between the top of the rebar and the bottom of the CMU cover？?
1.钢筋顶端与 CMU 盖板底端的距离？?
哪种方法去除铁残留物最有效？??哪种方法去除铁残留物最有效？??哪种方法去除铁残留物最有效？??哪种方法去除铁残留物最有效？??哪种方法去除铁残留物最有效？??
2.What is the smallest gap needed between the joist and the ground?
2.托梁与地面之间所需的最小间隙是多少？
3.What is the minimum width required for a two-floor concrete footing?
3.双层混凝土基础的最小宽度要求是多少？
4.How should newly built masonry be protected if freezing temperatures are expected the next day?
4.如果预计第二天气温将降至冰点，应如何保护新建的砖石结构？
5.Which is the basic cement mix ratio?
5. 水泥的基本混合比例是多少？
6.What must be done when grading a residential lot?
6.平整住宅用地时必须做什么？
7.When laying bricks in hot weather what should you do?
7.天气炎热时砌砖，应该怎么做？
8.When should anchor bolts be re-tightened?
8.何时应重新拧紧地脚螺栓？
9.What is the diameter of #5 rebar?
9.5 号钢筋的直径是多少？
10.When is a stepped foundation necessary?
10.什么情况下需要阶梯式地基？
