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- According to the principle of conservation,differential equation which can describe disturbance flow and temperature distribution law of airflow of excavation roadway is a educed. 从质量、能量和动量守恒原理出发,导出了描述掘进巷道风流紊流流动和温度分布的微分方程。
- Practice on continuous coal miner used in long distance excavation roadway 连续采煤机长距离掘进巷道的实践
- Some measures that gas accidents should be prevented because of the variety of the atmospheric pressure are put forward in being excavated roadway,and the regulation of the variety of t... 并提出了如何防止由于大气压力的变化而引起的掘进巷道瓦斯事故,合理利用大气压力的变化规律为矿山生产服务。
- Structure Analysis on State Parameters on Shock Wave in Excavation Roadway during Gas Explosion 掘进巷道瓦斯爆炸冲击波状态参数的结构分析
- Study of Interaction between Shock Wave and Surface in the Excavation Roadway during Gas Explosion 掘进巷道瓦斯爆炸冲击波与巷道壁面作用研究
- THE DAMAGE EFFECTS ON VENTILATION STRUCTURES IN MINE EXCAVATION ROADWAY DURING BLASTING OPERATION 煤矿掘进巷道爆破作业对通风构筑物的破坏作用
- Discussion on gas density distribution law after ventilation fan stopped in mine excavation roadway 掘进巷道停风后瓦斯浓度分布规律探讨
- Practice on Fire Prevention Technology in Excavation Roadway of Island Fully Mechanized Caving Mining Face with Spontaneous Combustion 易燃煤层孤岛综放面掘进巷道防火技术的实践
- A raised roadway, as across water or marshland. 堤道加高的行道，如穿过水洼或沼泽的道路
- Don't stop on the roadway; move in to the side. 别在车行道上停留;到边上来。
- Excavation of the site will begin tomorrow. 明天开始挖掘工作。
- The excavation of the buried city took a long time. 发掘埋在地下的城市花了很长时间。
- The excavation of the bur city take a long time. 发掘埋在地下的城市花了很长时间。
- excavation roadway 掘进巷道
- A flock of geese perked down the roadway. 一群鹅挺着脖子在大道上走着。
- The roadway of a bridge or an elevated freeway. 行车道指桥梁的行车道或指高架的公路
- A broad roadway lined with trees. 林荫道两边栽有树木的宽阔街道
- The bad weather has hung up the work of excavation. 天气不好耽误了挖掘工作。
- The excavation exposed some ancient ruins. 这次挖掘暴露出一些古遗迹。
- Do not stop on the roadway; move in to the side. 别在车行道上停留; 到边上来。
