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- HEPA supply outlet diffusion perforation panel influences cleanroom air velocity field,cleanliness,cleanliness recovery characteristic and resistance of the diffusion panel. 高效过滤器送风口扩散孔板的开孔情况影响着室内流场、室内空气洁净度、洁净室自净时间和扩散板阻力。
- cleanliness recovery characteristic 自净时间
- We should establish high standards of cleanliness. 我们应该建立高标准的卫生标准。
- Cleanliness is next to godliness. [谚]整洁近于美德。
- The doctors held out little hope for his recovery. 大夫们都对他恢复健康不抱多大希望。
- The spacecraft was in its recovery mode. 这艘飞船处于返回状态。
- He is well on his way to recovery. 他正在顺利恢复。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- The doctors held out no hope of recovery. 医生们对痊愈不抱希望。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- How I hoped for his speedy recovery! 我多么希望他早日康复啊！
- The likelihood of recovery from a disease. 预后从病中痊愈的可能性
- The patient had a setback in her recovery. 病在她康复过程中发生了反复。
- Economic recovery is supposedly getting underway. 经济据称正在恢复中。
- She made a quick recovery from her illness. 她很快病愈。
- The doctors hold out little hope of his recovery. 医生们对他的康复不抱多大希望。
- 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 are surprised by the rapidity of her recovery. 她恢复得那么快，我们都有些惊讶。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- 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。
