| 1. | Gas control of top slice working face with stage roadway
腰巷治理顶分层工作面瓦斯 |
| 2. | Way to comprehensive gas control in luling coal mine
芦岭煤矿瓦斯综合治理途径 |
| 3. | Probing into gas control techniques in coal road drivage
煤巷掘进瓦斯治理技术探讨 |
| 4. | Discussion on gas control measures in huopu mine
火铺矿瓦斯治理措施的探讨 |
| 5. | Regulating gas flow direction for gas control in working face
调节瓦斯流向治理采面瓦斯 |
| 6. | Combination gas controls for gas appliances ; addenda
气体器具的混合气体控制装置.补充件 |
| 7. | Optimum seeking of gas control methods for fully mechanized face
综采面瓦斯治理方案优选 |
| 8. | Combination gas controls for gas appliances same as csa 6 . 20
燃气器具用混合气体控制装置 |
| 9. | Drainage and ventilation - key of gas control
晋城局寺河矿治理瓦斯经验 |
| 10. | Gas control in outburst thick seam face with caving mining
高突厚煤层放顶煤工作面瓦斯治理 |
