| 1. | If you do not pay your gas bill soon you may be cut off .
你若不立即付清煤气费，就要停止向你供气。 |
| 2. | To fill the balloons, we use air tanks or run a hose to an air supply on the surface .
为了给气球充气，我们使用贮气柜或把一根软管接到水面上的一台供气设备上。 |
| 3. | Design on design of drainage pipes at residential districts
小城市的管道供气 |
| 4. | The cooperation of no air - feed system and respirator
供气系统和呼吸机联用的研究概况 |
| 5. | Then repeat the experiment under other supply pressure
改变供气压力,重复上述过程。 |
| 6. | Dentistry - dental units - water and air supply
牙科学.牙科装置.供水和供气 |
| 7. | Application of several gas supply patterns in cities and towns
供气形式在城镇中的应用 |
| 8. | Inadequate maintenance of gas pipes can be dangerous
大厦供气喉保养不当，会造成危险。 |
| 9. | Tv announcement - regular maintenance of gas service risers
电视宣传短片-定期检修大厦供气喉 |
| 10. | Lasting time : continuous air supply under any temperature
持续时间：对任何供气温度连续供气。 |
