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- Variations in face velocity for the fume hood shall not exceed 10% of the average face velocity at any designated measuring point. 通风柜表面风速的偏差不能超过设定风速的10%25。
- Regardless of the monitor installed, it should provide clear indication to the hood user whether exhaust flow or face velocity is within design parameters. 通风柜要安装监视器,它为使用者提供当前面风速及排风是否正常。
- States the significance of face velocity of VAV fume hood in modern laboratory, and states the principleand methods of face velocity control of VAV fume hood in detail. 论述了现代实验室变风量排风柜罩面风速控制的意义,详细阐述了排风柜罩面风速控制的原理和方法。
- The control velocity over liquid level, face velocity and vapour extraction efficiency have been measured respectively in condition of different hood heights and fan speeds for both the complex and ordinary vapour hoods. 对复合式和普通式排风罩，在不同罩口高度和风机转速条件下，分别测定了液面控制速度、罩口吸气速度和排雾效率。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- He tried to put a bold face on his failure. 他对自己的失败装出一副满不在乎的样子。
- Control of Face Velocity of VAV Fume Hood in Modern Laboratory 现代实验室变风量排风柜罩面风速的控制
- proof-test center of farm the application of variable face velocity 面风速
- I dry my hands and face with the towel. 我用毛巾擦干了双手和面部。
- The sea have erode the cliff face over the years. 海水经年累月冲刷著峭壁的表面。
- He stumbled over a stump and fell flat on his face. 他给树桩一绊，摔了个嘴啃泥。
- Get the stardust out of your eyes and face reality. 抛弃天真的想法而面对现实。
- A dash of water in his face will revive him. 向他脸上泼水能使他苏醒。
- I felt a certain indisposition to face reality. 我多少有些不愿意面对现实。
- Her face was overclouded with grief. 她的脸色因悲伤而变阴沉。
- His ashen face showed how shocked he was. 他面如土色，说明他多么惊骇。
- The shadow of death is on his face. 死亡的阴影笼罩在他的脸上。
- Her face is sprinkled with tiny freckles. 她的脸上有点点的雀斑。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- The old lady has a haggard face. 老太太的脸很枯槁。
以上内容独家创作，受著作权保护，侵权必究
海词词典，十七年品牌
