单词drop valve
na.: (蒸汽机中上下活动的)活门
网络: 下流阀；落阀；坠阀
(蒸汽机中上下活动的)活门,活阀
In chapter 4, the principle drawing of the system is presented after adding a constant-pressure-drop valve.
第四章，给出了系统中加定差减压阀后的结构原理图。
B. Remove and remove the drop valve, compressed air will be blown from the newly installed after the valve core.
卸下并拆开下降阀，用压缩空气将阀芯吹净后从新装上。
The Research of the Filtration Characteristic of Constant - pressure - drop Valve in the Hydraulic System
液压系统中定差减压阀的滤波特性研究