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- In addition, three floors of air-conditioning systems are varying degrees, ventilation frequency less, Xinfengliang inadequate, airstream organizations unreasonable. 另外,三幢楼的空调系统均存在不同程度问题,换气次数少、新风量不足、气流组织不合理。
- The effects of inverse driving pressure (IDP) and ventilatory frequency(f) on CO2 elimination and tidal volume(VT) were studied in anesthetized dogs under high frequency two-way jet ventilation (HFTJV). 观察了高频双向喷射通气(HFTJV)时反喷驱动压和通气频率对麻醉犬CO_2排除效能的影响以及潮气量(V_T)的变化特点。
- This is a room with good ventilation. 这是个通风良好的房间。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- The ventilation is poor, the lieutenant admits. 中尉承认,通风设备很糟糕。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- 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。
- ventilation frequency 换气次数
- 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。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- 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。
- 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。