共 50 条
- [34] New rotary screw vacuum pumps with variable speed drive provide 50 % energy savings ZKG INTERNATIONAL, 2015, 68 (06): : 19 - 19
- [35] QUICK RELEASE CONCEPT IN ROTARY VACUUM PUMPS - A SIGNIFICANT OUTPUT INCREASE IN HARSH SEMICONDUCTOR APPLICATIONS JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1991, 9 (03): : 2007 - 2009
- [39] Reversible operation of rotary pumps HYDRAULICS OF RIVERS WATER WORKS AND MACHINERY, VOL II, THEME D, PROCEEDINGS: 21ST CENTURY: THE NEW ERA FOR HYDRAULIC RESEARCH AND ITS APPLICATIONS, 2001, : 584 - 590