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- It had beed failed to control the fire only by closing it,and it was finally get success by the union of closing the fire field and reforming the ventilation system. 文章从化学流体力学基本定律出发 ,建立了火区巷道充注惰气流动数学模型 ,给出了数值模拟计算方法 ,并在火灾试验巷道内进行了充注惰气灭火模拟试验。
- reforming ventilation system 通风系统改造
- Efficiency of the ATK Evaporative cooling ventilation system. ATK水濂蒸发式冷却通风系统的主要功能
- Construction of Mine Ventilation System in Zhaojin (Group) Co. 招金(集团)公司矿井通风系统建设。
- Operating under effective ventilation system or wear carbon mask. 有效抽风或配戴防毒口罩。
- The crankcase ventilation system carries fresh air through the crankcase. 曲轴箱通风系统要携带新鲜的空气通过曲轴箱。
- The new winter ventilation system consisted of a perforated plastic tube. 新的冬季通风系统由带孔的塑料管组成。
- The office has recently been refurbished and the ventilation system improved. 这间办公室最近重新修缮油漆过, 通风系统得到了改善。
- The new winter ventilation system consisted of a perforated plastic tube . 新的冬季通风系统由带孔的塑料管组成。
- Variable air volume(VAV) ventilation systems. 变风量通风空调系统。
- The crankcase ventilation system for 4-stroke motorcycle should be improved. 四冲程摩托车用曲轴箱通风系统应当改进。
- What's the requirement for the forced ventilation system for crankcase? 发动机曲轴箱强制通风的要求？
- The noticeable problems that should be noticed appear in reforming the ventilation systems of gold mines,in which the natural wind pressure is higher,are discussed in this paper. 讨论了自然风压的特性及在黄金矿山通风系统改造中的利用问题,认为黄金矿山通风系统在改造前,首先应该优化通风网络。
- Adopted unique ventilation system and rotational direct current motor stabilize the hot airflow. 采用独特的导风系统及旋转式直流电机,恒定预热风量。
- But then farms began to use new ventilation systems. 但然后农民开始使用新的通风系统。
- Experience with cooling, heating and ventilation systems. 有制冷，供暖及排风系统维护经验。
- Adopted unique ventilation system and non-carbonate direct current motor stabilize the hot airflow. 采用独特的导风系统及无碳刷直流电机,恒定预热风量。
- Without the cooling and ventilation system,things get hot quickly under the unrelenting desert sun. 可是如果没有这些冷却和散热系统的话，在无情的沙漠阳光的炙烤下，所有的设施很快就会被晒热。
- Applicable for intermediate filtration of Pharmacy, Electronic, Food and common air-conditioning ventilation system. 适用于制药、电子、食品行业和空调通风系统的中级过滤。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
