求翻译：六只电磁阀控制危急脱扣控制组件的操作，四只阀门阻断AST集油母管的通道，每个通道至少有一个电磁阀开放才能释放AST集油母管油压，提高了系统的可靠性。是什么意思？

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Only 6 solenoid valve control critical off controlled components of the operation, only 4 valves denial of access control AST group carrier oils, each channel will have at least one electromagnetic valve opening AST group carrier oils can be released by hydraulic system, improve the reliability of t

Six solenoid valve control critical tripping controls the module the operation, four valves block the AST collection kerogen tube the channel, each channel has a solenoid valve to open at least can release the AST collection kerogen tube flowing tubing head pressure, enhanced the system reliability.

Six critical release control solenoid valve control component of the operation, four valve oil mother pipe blocking AST set of channels, each channel has at least one solenoid valve open manifold oil pressure in order to free the AST set oil, increased system reliability.

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