1.What does it mean when floor trusses are engineered?
1.楼板桁架的设计含义是什么？
2.What best describes a Built-up Roof (BUR) system?
2.下列哪项最能准确描述“多层屋面（BUR）”？
3.Which roof framing component is shown in the illustration?
3.图中的框架构件是什么？
4.What is single-ply roofing?
4.什么是单层屋面？
5.What factor influences attic ventilation?
5.阁楼通风主要取决于什么？
6.How close can an exhaust penetrate a roof near an air intake?
6.排气管可以穿透进气口附近的屋顶多远？
7.What\'s the minimal floor underlayment thickness?
7.地板衬垫的最小厚度是多少？
8.What roof type is in the diagram?
8.图中的屋顶类型是什么？
9.Is it possible to repair or patch linoleum flooring?
9.亚麻地板可以修补或补丁处理吗？
10.What nail heads fasten shingles?
10.固定瓦片的钉头形状是？
