1) pressure-cycling
变压循环
2) variable pressure frequency control
变压差循环变频
1.
Three kinds of frequency control techniques were analyzed,including fixed pressure frequency control,constant pressure frequency control and variable pressure frequency control.
针对目前供暖循环水泵电功耗较高情况,提出了利用变频调速技术调节循环泵流量的技术措施,分别就定压循环变频、恒压差循环变频、变压差循环变频3种控制方式进行了阐述,并通过实验数据说明了变压差循环变频控制方式的优越性。
3) constant pressure frequency control
恒压差循环变频
1.
Three kinds of frequency control techniques were analyzed,including fixed pressure frequency control,constant pressure frequency control and variable pressure frequency control.
针对目前供暖循环水泵电功耗较高情况,提出了利用变频调速技术调节循环泵流量的技术措施,分别就定压循环变频、恒压差循环变频、变压差循环变频3种控制方式进行了阐述,并通过实验数据说明了变压差循环变频控制方式的优越性。
4) cyclic variation of combustion pressure
燃烧压力循环变动
1.
The effects of integrated and separated intake ports on cyclic variation of combustion pressure in a four-valve gasoline engine were analyzed with a CB-466 combustion analyzer on the engine test-bed.
在发动机试验台上,利用CB-466燃烧分析仪研究了整体式和分体式进气道对四气门汽油机燃烧压力循环变动的影响。
6) CVCE
连续变断面循环挤压
1.
AZ31 magnesium alloy was circularly pressed by continuous variable cross-section recycled extrusion(CVCE) technology.
采用连续变断面循环挤压技术(CVCE)对AZ31镁合金进行循环挤压。
补充资料：循环系统的进化鱼的循环系统
李瑞端绘
[图]
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