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- Roots vacuum units 罗茨真空机组
- ZJ type Roots vacuum pump and the backing pump i.e two stage water ring vacuum pump. 它不仅可以用来抽除一般气体,还可以抽吸含有水分及少量灰尘的气体。
- Note: ZJ type Roots vacuum pump can't discharge gases directly into the air,it should be equipped with a cowesponding prepump at operation. 注:ZJ型罗茨真空泵不能直排大气,运行时需配备相应前级泵。
- The distributed source boundary point method(DSBPM) based nearfield acoustic holography(NAH) is used for identifying and localizing noise sources of the roots vacuum pump. 采用基于分布源边界点法的近场声全息技术对运转状态下的罗茨真空泵进行了噪声源识别和定位研究。
- ATE type system of ABS construction is used for the majority of the car series, whichdiffers from the Bosch type mainly in that hydraulically operated brake servo element is adopted raher than vacuum unit. 该车系多数采用ATE系统的ABS结构,ATE式与BOSCH式的主要区别在于ATE式有液压操作制动伺服元件而非真空作用。
- The atmospheric and vacuum unit for 200 Mt/Y Koweit crude is simulated.The results show the model is correct by compa-ring with the demarcation data from actual industrial process. 对某石化企业加工200万吨/年科威特原油常减压装置进行了模拟计算,并与标定数据进行了比较,表明所建立的模型能反映实际的生产过程。
- Discussion on noise mechanism of roots vacuum pump 罗茨真空泵噪声机理探讨
- Study on profile of Roots vacuum pump rotor 罗茨真空泵转子型线的研究
- Test and normal running of roots vacuum pump 罗茨真空泵试车与运行
- Dental laboratory vacuum units or supplies 牙科实验室吸尘工具用具
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Control setup of the water circulation in a vacuum unit 真空机组循环水控制装置
- We must not forget about the grass roots. 我们绝不能忘记民众。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- It has its roots deep in the Middle Ages. 它起源于遥远的中世纪。
- Once I took a wife I should have to put down roots. 我一旦娶了老婆,就该过安定的生活了。
- Pull up these plants by the roots. 将这些植物连根拔起。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Many Americans have roots in Europe. 许多美国人祖籍在欧洲。
- Best Assembling Vacuum Unit on Producing Titanium Sponge by Kroll Process 试论克劳尔法生产海绵钛的最佳真空机组