| 1. | I was sure then that we had been right to pinpoint the two villages as the center of grivas' operations .
我当时确信，我们把这两个村确定为格里瓦斯的行动中心是正确的。 |
| 2. | Ways to control gas in a fully mechanized caving face
治理综放工作面瓦斯的途径 |
| 3. | Can a gas machine be converted to use electricity
瓦斯的机器是否可以转换成插电 |
| 4. | Q : can a gas machine be converted to use electricity
瓦斯的机器是否可以转换成插电 |
| 5. | Some stoves are oil burners ; others are gas burners
有些炉子是烧油的,有些是烧瓦斯的。 |
| 6. | Complex control of high gas in fully mechanized coal mining area
综采工作面区域高瓦斯的综合治理 |
| 7. | Comprehensive control of gas in coal face with simple caving mining
简易放顶煤工作面瓦斯的综合治理 |
| 8. | Comprehensive gas control in first mining face of qinglong coal mine
青龙煤矿首采工作面瓦斯的综合治理 |
| 9. | Comprehensive gas control in high - gassy fully mechanized face of shaqu mine
沙曲矿高瓦斯综采工作面瓦斯的综合治理 |
