Hydraulic control valve is a main valve and the exterior of the needle valve and a combination of the pilot valve.
水力控制阀是由一只主阀及其外装之针形阀和先导阀等组合而成。
A pressure relief valve from the main valve, pressure relief / holding pressure pilot valve needle valve, ball valve, micro shaped filter and pressure gauge hydraulic control over the system.
进口持压泄压阀由主阀、泄压/持压导阀针阀、 、球阀、微形过滤器和压力表组成水力控制接管系统。
The hydraulic valve auxiliary control unit (12) can be connected and cut off by means of an additional auxiliary oil circle (3) related to a main oil circle (2) of the internal combustion engine (1).
液压气门辅助控制单元（12）可借助于一相对于内燃机（1）的主油回路（2）附加设置的辅助油回路（3）接通和切断。
Hydraulic control valve consists of a main valve and attached to the catheter, guided valves, needle valves, ball valves and pressure gauges and other components.
水力控制阀由一个主阀及其附设的导管﹑导阀﹑针阀﹑球阀和压力表等组成。
The main products are: gate valve, butterfly valve, ball valve, piston valve, globe valve, hydraulic control valves, pressure reducing valve such as the eight series over 100 kinds of specifications.
目前主要产品有：闸阀、蝶阀、球阀、柱塞阀、截止阀、水力控制阀、减压阀等八大系列100多种规格。
The main products are: gate valve, butterfly valve, ball valve, piston valve, globe valve, hydraulic control valves, pressure reducing valve such as the eight series over 100 kinds of specifications.
目前主要产品有：闸阀、蝶阀、球阀、柱塞阀、截止阀、水力控制阀、减压阀等八大系列100多种规格。
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