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- Gas Drainage of undischarged pressure hole at original coal seam is an indispensable link in coal mine production.The result of releasing gas depends on natural ventilated coefficient. 本煤层未卸压钻孔抽放,是煤矿生产系统中不可缺少的环节,由于煤层的天然透气系数不同,抽排瓦斯的效果也不同。
- Cavitator diameter and contour parameters act on the critical ventilation coefficient and supercavity size were obtained. 给出了空化器直径、空化器线形对通气系数门限值和通气超空泡形态的影响。
- These issues have been very well ventilated. 这些问题已经过充分讨论。
- The students ventilated their grievances. 学生们公开表示了他们的愤怒
- Cool breezes ventilated the house. 凉风令屋子通气。
- critical ventilation coefficient 临界通气率
- ventilation coefficient of mixed layer 混合层通风系数
- The new policy was freely ventilated in the press. 新政策在报纸上公开讨论。
- ventilated coefficient 通气系数
- Experimental investigation of critical ventilating coefficient of ventilated supercavity in water tunnel 通气超空泡临界通气率的水洞试验分析
- A sea breeze ventilated the rooms. 一阵海风使房间的空气更清新
- The room is not well ventilated. 这房间通风不好。
- Water has a variable coefficient of expansion. 水的膨胀系数是可变的。
- The gust of air ventilated the room. 一阵风吹进屋里。
- This room is badly ventilated (or is stuffy). 这屋里不通风。
- Wheat should be well ventilated. 小麦必须很好地通风。
- Use it in room with good ventilated. 必须在通风条件好的房间里使用。
- Pascal published a treatus on binomial coefficient. 帕斯克发表了关于二项系数的论文。
- The office is poorly ventilated. 这间办公室不通风。
- Cancel water vapour permeability coefficient. 取消了水蒸气渗透系数。
