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- Roots high vacuum pump 罗茨高真空泵
- Germany Busch Vacuum Pump, which owns high vacuum degree, low noise and long service life, is adopted. 德国贝克的真空泵，真空度高，噪音低，寿命持久。
- A high vacuum composite technique for the production of salt under vacuum was designed,its unit flow,working principle,function of cooling tower and vacuum pump were introduced. 设计了一种用于真空制盐的新型高真空组合技术,介绍了该技术的装置流程、工作原理及凉水塔、真空泵等设备的功能。
- Used either solely as Rough Pumps, or in combination with other high vacuum pumps as Backing Pumps. 可单独作低真空泵用,也可与其它高真空泵组合作前级泵用。
- Very importantly, there is a vacuum chamber with high vacuum pumps and electronics to run the mass spectrometer. 拥有真空泵和电子装置的真空室质谱仪运行中重要组成部分。
- three-jet oil diffusion high vacuum pump 三喷嘴油扩散高真空泵
- It is necessary to help us choose the better vacuum pumping system for the high vacuum continuous winding sponge coating nickle film equipment. 此工作对高真空连续卷绕网状泡沫镀镍设备的真空系统配置具有一定的指导意义。
- Applications of High Vacuum Pump System in Pilot Research 高真空泵机组在中试研究方面的应用
- The whole apparatus operates under high vacuum. 整个装置在高真空下运转。
- Extra High Vacuum Pumping Equation of Orbit Wake Shield Facilities 轨道分子屏极高真空系统的抽气方程
- Zibo Water Ring Vacuum Pump Factory Co., Ltd. 淄博水环真空泵厂有限公司。
- SIEMENS VACUUM PUMP AND COMPRESSOR COMPANY LTD. 西门子真空泵压缩机有限公司。
- 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。
- JZJX type Roots-Vane vacuum system consists of the major pump i.e ZJ type Roots vacumm pump and the backing pump i.e. vane vacuum pump. JZJX系列罗茨-旋片机组是由ZJ型罗茨真空泵（主抽泵）和旋片式真空泵（前级泵）组成的。
- Zhangqiu City that the investment in wind machine factory, founded in 1990, Roots Roots blower and vacuum pump professional manufacturer. 章丘市明风机械制造厂投资创建于1990年，是罗茨鼓风机与罗茨真空泵的专业生产厂家。
- To preserve(food,for example) by rapid freezing and drying in a high vacuum. 使冷冻干燥通过在高度真空状态下迅速冷冻并干燥来保存（如食物）。
- 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。
- To preserve(food, for example) by rapid freezing and drying in a high vacuum. 使冷冻干燥通过在高度真空状态下迅速冷冻并干燥来保存（如食物）
- In high vacuum state,the damp water in leather can be largly pumped. 由于皮张处于高真空状态，水分抽出量增大，可缩短干燥时间令产量上升；
