包括调节阀、节流阀、减压阀等。
液压安全阀等多重保险装置。
Multiple safeties such as the hydraulic relief valve, etc...
天和阀门专业生产安全阀，球阀，调节阀等产品。
Days of professional production safety valve valve, ball valve, control valve and other products.
检查空气油量（气量）调节阀等相关部件有无异常，是否松动。
电磁阀、手轮机构、阀位开关、空气过滤减压器等。
Solenoid valve, hand wheel, valve position switch, air filter regulator and so on.
下位机（PLC）程序控制主要负责数据采集、比例阀控制等。
The functions of PLC are data collecting, valve controlling and so on.
探讨了新型射流式井下增压装置的射流元件、组合阀、增压缸体和外缸体等关键部件的设计问题。
The design method of the key components of new jet type down-hole supercharger is analyzed.
探讨了新型射流式井下增压装置的射流元件、组合阀、增压缸体和外缸体等关键部件的设计问题。
The design method of the key components of new jet type down-hole supercharger is analyzed.
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