1.Compared to steel, concrete is very weak in resisting which type of stress?
1.与钢材相比，混凝土在抵抗哪种类型的应力方面非常薄弱？
2.Basement concrete is often exposed to moisture. What is the recommended 30‑day compressive strength?
2.地下室混凝土通常会受到潮湿环境影响，推荐的28天抗压强度是多少？
3.Which building material performs best in earthquake‑prone regions?
3.哪种建筑材料在地震多发区域具有最佳性能？
4.What is the most significant advantage of using concrete in construction?
4.使用混凝土进行建筑施工的最大优势是什么？
5.What does “SS” mean in SS 316 bolts?
5.SS 316螺栓中的“SS”代表什么？
6.Where do bridge piles primarily transfer structural loads?
6.桥梁桩基主要将结构荷载传递到哪里？
7.In “AB engineered fill”, what does AB stand for?
7.在“AB engineered fill”（AB工程填料）中，AB代表什么？
8.In standard structural use, beams are primarily subjected to which kind of loading?
8.在标准结构应用中，梁主要承受哪种荷载？
9.When carbon content increases in structural steel, the material becomes more ___.
9.当结构钢中的碳含量增加时，材料会变得更加 ___。
10.For seismic-resistant bridge design, what minimum clearance is required between existing and approach bridges?
10.对于抗震桥梁设计，现有桥梁与引桥之间要求的最小间距是多少？
