| 1. | Underground fire smoke spread and control methods 地下工程火灾烟气蔓延及控制 |
| 2. | Pvc pipe and couplings , polyvinyl chloride , for underground fire service 地下消防装置用聚氯乙烯 |
| 3. | Underground fire pump adapter 地下式消防水泵接合器 |
| 4. | Comprehensively using underground fire sealing technique to guarantee mine safety 综合运用井下密闭技术确保矿井安全 |
| 5. | Underground fire hydrants 地下消防栓 |
| 6. | Underground fire hydrants 地下消防栓 |
| 7. | Pressure pipe and couplings , glass fiber - reinforced , for underground fire service 地下消防设备用玻璃纤维增强压力管道和管联接器 |
| 8. | Inerting mechanism of three - phase foam containing nitrogen and its application to underground fire zone 三相泡沫的稳定性及温度的影响 |
| 9. | Application of model kmdsa - 5000 nitrogen - producing device in underground fire prevention and control 5000型制氮设备在井下防灭火的应用 |
| 10. | Each year , scientists say , about 200 million tons of coal ? more than was burned in all of japan last year ? are consumed by raging underground fires that are sometimes started by lightning and sometimes ignited by mining accidents 科学家们说,每年约有2亿吨煤炭因雷电和矿井事故而在地下被烧掉,这个数字相当于日本去年一年所消耗的煤炭。 |