Vacuum pumps - Performance的意思|示意

This paper approaches operational requirement, typical pump types, structure difference and service performance of circulation pumps which are the key equipment in vacuum salt making.

本文探讨了真空制盐行业中关键设备循环泵的使用要求，常用的循环泵类型及其结构差异，使用性能，比较其优劣，为循环泵的选型提供参考。

This paper introduces the operational principle, application and performance of vacuum pressure compound air pumps, and analyzes the influence of its construction and parameters on its performance.

本文介绍了新型真空压力复合气泵的工作原理，应用及其性能，并分析了它的结构及参数对其性能的影响。

Both pumps offer excellent metering performance, high vacuum lift, dry priming capability and no possibility of back-flow.

两类泵还具有良好的计量、高真空提升、干启动以及防回吸等功能。

Both pumps offer excellent metering performance high vacuum lift dry priming capability and no possibility of back-flow.

两类泵还具有良好的计量、高真空提升、干启动以及防回吸等功能。