| 1. | Ammonia-air mixtures are quite difficult to ignite . 氨与空气的混合气体不易燃烧。 |
| 2. | Finally, we need some means of igniting the mixture in the top of the cylinder . 最后我们需用一些装置点燃汽缸顶部的混合气体。 |
| 3. | Combination gas controls for gas appliances ; addenda 气体器具的混合气体控制装置.补充件 |
| 4. | Combination gas controls for gas appliances same as csa 6 . 20 燃气器具用混合气体控制装置 |
| 5. | Analysis of mixed inflammable gases with catalytic sensor 催化传感器对可燃混合气体的分析 |
| 6. | Laser triggered sf6 - n2 mixture switch modeling 2混合气体开关的数值模拟 |
| 7. | Mag welding for 12ni14 low temperature steel heat exchanger 14低温钢换热器的混合气体保护焊 |
| 8. | Development of welding wire for argon rich mixed gas arc welding 富氩混合气体保护焊用焊丝的研制 |
| 9. | Study on multi - component calibration gases in ethene and propylene 丙烯中多元标准混合气体制备方法的研究 |
| 10. | Gas analysis - preparation of calibration gas mixtures - weighing methods 气体分析-校准用混合气体的制备-称量法 |