您要查找的是不是:
- Coalmine ventilation takes an important role for precautions against gas or dust and fire. 煤矿通风评价首先要做好影响煤矿通风的基础资料。
- This is a room with good ventilation. 这是个通风良好的房间。
- coalmine ventilation 煤矿通风
- The ventilation is poor, the lieutenant admits. 中尉承认,通风设备很糟糕。
- Workers should be allowed full ventilation of all their difficulties. 工人们应被允许公开讨论他们所有的困难。
- They altered the house to improve its ventilation. 他们把房子改装一下使它更通气。
- Regeneration production of ventilation fan. 换气扇的换代产品。
- Open the window for some ventilation. 打开窗子好通风。
- Well ventilation, away from corrosive gas. 通风良好,不带有腐蚀性气体。
- It is very difficult to support the coalmine soft-rock tunnel. 煤矿软岩巷道是很难支护的巷道,其支护问题一直困扰着煤矿的生产和建设。
- There was dead air due to the lack of ventilation. 因为没有通风这里的空气不流通。
- Ride the train to the ventilation shaft. 乘火车到达通风井找到柱状物体。
- Variable air volume(VAV) ventilation systems. 变风量通风空调系统。
- Necessary lighting and ventilation to be furnished. 应提供必需的照明和通风。
- Close all accommodation doors and shut ventilation. 关闭起居处所的门,切断通风。
- Fig. 3 Effect of up ventilation on greenhouse temp. 试验期间,试验温室停止上部2台风机的通风
- Do not place the product in a separate enclosure unless proper ventilation are provided. 除非通风良好,不要把产品放在独立的封闭装置中。
- Workers of the coalmine decided to go on strike for better working conditions. 煤矿工人们决定为争取更好的工作条件举行罢工。
- Combining Coalmine conditions,method of finding out cable fault is presented. 结合矿井实际,介绍电缆故障点查找方法。
- They increased ventilation by opening the top center part of the carriage window. 他们把车厢上面的中央部分打开以增进空气的流通。