vacuum pumps

As ISP vacuum pumps do not contain lubricating oil or sealing water resulting in no back-migration of fluid, it ensures clean vacuum.

由于ISP真空泵的泵体不使用润滑油和封水，不存在润滑油的逆扩散，因而能获得干净的真空。

The same risk applies to vacuum pumps in which the back flow from shutting down at the end of the day may cause contamination.

同样的风险同样存在于真空泵，每天结束生产停机时产生的空气回流也可能导致污染。

Uncontaminated water is normally used as seal water for vacuum pumps and for compressor cooling as well as for sanitary use.

未污染的水通常用作真空泵的密封水和压缩机的冷却水以及供保健用。

This paper introduces the working performance and the selecting principle of gas circulation cooled roots vacuum pumps & pumping units.

本文介绍气冷式直排大气罗茨真空泵及机组的工作特点及应用选型。

They require no intercoolers and offer greater efficiency and easier maintenance than other types of vacuum pumps.

不需要中间冷却器，与其他型号的真空泵相比，效率更高，维修更简便。

At first, vacuum pumps were found only in laboratories. Then it was found that the principle of the vacuum could be used elsewhere.

起初，人们只是在实验室里发现了真空泵，后来人们发现真空这一原则可用于其他地方。

To have special condenser and filter in the vacuum system, the pollution of vacuum pumps by fluxs steam is eliminated .

真空系统上装有专用的冷凝过滤装置，以消除焊剂蒸汽对真空泵组的污染。

Equipped with mute imported oil-free vacuum pumps and a sugar-made nbspvacuum.

备有出口无油静音真空泵和别致型舶来真空泵两栽。

The company specializes in producing all kinds of vacuum pumps, vacuum unit and vacuum applications.

本公司专业生产各种真空泵、真空机组及真空应用设备。

Vacuum technology. Vocabulary. Vacuum pumps.

真空技术.词汇.真空泵

Vacuum technology; terms and definitions, vacuum pumps.

真空技术。名称和定义。真空泵。

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。

Based on the fluid mechanics theory, the working curves of the vacuum pumps and the suction cup system are obtained from experiments.

基于流体力学理论，通过实验方法绘制了电风机吸盘系统的工作特性曲线。

The vacuum system utilizes two vacuum pumps and one booster pump to achieve a vacuum.

真空系统采用两台真空泵和一台罗茨泵来实现真空。

Compressors and vacuum pumps. Safety requirements. Part 2 : vacuum pumps.

压缩机和真空泵。安全要求。第2部分：真空泵。

Always maintain the vacuum pumps!

始终保持水泵内的真空！

a wrong combination of vacuum pumps.

错误地组合真空泵。

YK SERIES OIL RING VACUUM PUMPS.

YK型油环真空泵系列。

Plastic tubing used for vacuum pumps (this tubing should not be reused to avoid cross-contamination between oils)

用于真空抽油管的塑料管（这种管子只能使用一次以避免油液之间的交叉污染）

Vacuum technology; rules for the measurement of steam jet vacuum pumps and steam jet compressors using steam as the working fluid

真空技术.以蒸汽作为驱动介质的蒸汽喷射真空泵和蒸汽喷射压缩机用测量规则