| 1. | Gas is leaking from the pipe .
煤气管道走气了。 |
| 2. | Dynamic programming model of investment in gas piping
煤气管道费用的动态规划模型 |
| 3. | Where does the cooker connect with the gas - pipe
煤气炉在什麽地方与煤气管道衔接 |
| 4. | But back to the gas man ' s question
然而还是让我们回到那位煤气管道修理工问的问题吧。 |
| 5. | Guides of laying for asbestos - cement water and gas pipelines
石棉水泥输水输煤气管道铺设指南 |
| 6. | Half the road surface is being taken up to lay new gas pipes
人们挖开半个路面以铺设新的煤气管道。 |
| 7. | Separable unthreaded pipe connections for metal gas pipes
第1部分:金属煤气管道用可拆卸的无螺纹管连接件 |
| 8. | Tube connections for metallic tubes having flanged ends for gas pipes
煤气管道用带法兰接头的金属管道管连接件 |
| 9. | They could not use the gas stove because it had not been hooked up
他们不能用那煤气炉，因为煤气管道尚未接上。 |
| 10. | As the high building rise , in order to increase erosion resistance , the steel pipe for water conveying
管道煤气管道等都因采用钢塑管而使管路使用寿命增加5 |
