| 1. | They had hardly reached the other side when there was a crashing of beams and timbers .
他们刚回到那边，桥梁和桥柱就塌了。 |
| 2. | In fused-ring and bridge-ring compounds two carbons are common to the two rings .
在稠环和桥环化合物中，两个碳原子是两个环公用的。 |
| 3. | In fused-ring and bridged-ring compounds two carbons are common to the two rings .
在稠环和桥环化合物中，两个碳原子是两个环公用的。 |
| 4. | Stone bridges consist of pillars, abutments and arches made up of stones held together by mortar .
石桥由灰浆结合在一起的石头墩子、桥台和桥拱组成。 |
| 5. | Bridge roadways, edge girders and arches must be blasted so that they are broken at vital points .
桥上路面，边缘横梁和桥拱，都必须加以爆破，以保证在重要部位上的破碎。 |
| 6. | The difference in level between the road surface in the tunnel and that on the bridge can hardly be less than 10m .
隧道内的路面和桥上的路面之间的高差几乎不可能小于10米。 |
| 7. | Crane makers are usually happy to give details of the dimensions of their cranes and bridges to structural engineers .
吊车制造厂商一般乐于将他们生产的吊车和桥架的详细尺寸提供给结构工程师。 |
| 8. | Irrigating devices help to flush out corners under braces and bridgework, but they're not effective substitutes for brushing and other physical means .
冲洗器有助于冲洗支架和桥托下的角落，但它们不能有效地代替刷牙和其他物理方法。 |
| 9. | Supports common cutting , chain cutting and bridge cutting
支持共边切割,链式切割和桥式切割 |
| 10. | Bored piling shall be used for the pumping station and bridges for the projects
钻孔式打桩应用于工程项目中的抽水站和桥。 |
