单选题 363. What is the difference between a hip jack rafter and a common rafter?(斜脊短椽(hip jack rafter)与普通椽(common rafter)的区别是?)
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单选题 306. What is the diameter of #3 rebar?(3号钢筋的直径是多少?)
单选题 304. "Mortar joint" refers to:(“mortar joint(砂浆缝)”是指:)
单选题 302. When would you wet brick masonry?(在什么情况下需要浇湿砖砌体?)
单选题 305. A Freon recovery system is required when:(在下列哪种情况下必须使用氟利昂回收系统?)
单选题 308. Stiles and rails are used on which of the following?(立柱(stiles)和横档(rails)一般用于:)
单选题 307. To determine if a wall is plumb, use a:(要判断一面墙是否垂直,应使用:)
单选题 301. How would you best determine if a soil is expansive?(要最好地判断土壤是否为膨胀土,应如何做?)
单选题 303. Lightweight concrete is best used for:(轻质混凝土最适合用于:)