1) variable volume and speed control
变转速变容调节
2) Change of speed
电容调节转速变化
3) speed-adjusting rheostat
转速调节变阻器
4) speed regulation
变速调节
1.
The considerable technical and economic benefits generated through speed regulation by hydraulic couplers are demonstrated through a case example.
分析了目前火电厂风机、水泵运行中存在的问题,介绍了液力耦合器的节能原理,通过工程实例论证了液力耦合器变速调节在电厂节能中产生的可观技术、经济效益。
2.
Based on principle in speedregulation of centrifugal pump,Mechod of speed regulation calculation for energy saving have been studied.
本文从离心泵变速调节原理入手，探讨了以节能为国标的离心泵变速调节的计算方法和效果。
5) variable speed regulation
变速调节
1.
The system employs the variable speed regulation of electrically driven feed pump and the regulator valve to fulfill the control of water level.
该系统采用电动给水泵变速调节和调节阀共同完成水位控制。
2.
8D large-sized centrifugal fan was conducted in three respects: outlet throttle regulation,flow-guide regulation and variable speed regulation.
8D大型离心式风机分别进行了出口节流调节、导流器调节和变速调节3种方式下的噪声特性实验研究,得到了变工况下的噪声特性曲线。
6) gearshift adjustment
变速调节
1.
This thesis expounds that gearshift adjustment has more advantages than throttling adjustment through the comparison between the ways of gearshift adjustment and throttling adjustment by the weater pumps.
以水泵为例,通过对水泵变速调节与节流调节两种方法的比较,说明了泵与风机变速调节优于节流调节的观点。
补充资料：渝变
1.变更，变化。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条