| 1. | They ran for the culvert and ducked in . 他们跑到涵洞跟前,钻了过去。 |
| 2. | After days of hard work , the culvert was at last completed . 经过几天的苦战,总算把涵洞修好了。 |
| 3. | Fundamental code for design on railway bridge and culvert 铁路桥涵设计基本规范 |
| 4. | Standard specification for corrugated aluminum box culverts 波纹铝箱形涵洞标准规范 |
| 5. | General code for design of highway bridges and culverts 公路桥涵设计通用规范 |
| 6. | Construction of box culvert no . 1 extension in progress 箱形排水渠的伸延工程 |
| 7. | Developmeant on cad system for railway culvert 电力数据备份系统的建设与研究 |
| 8. | Standard specification for corrugated steel box culverts 波纹钢箱涵标准规范 |
| 9. | Modification of existing bridges , subways and box culverts 修建现有的桥梁,隧道与暗渠 |
| 10. | Supervision and maintainance of the highway bridge and culvert 谈公路工程桥涵管理与养护 |