A compound intervention shuttle valve is provided that comprises first and second primary inlets, first and second secondary inlets, and an outlet.
提供包括有第一和第二初级入口、第一和第二次级入口和出口的组合式干涉梭阀。
The invention discloses a different-pressure automatic shuttle valve, comprising valve body, through end cover, valve core ball, spring seat, spring, inlet end, outlet port .
本发明公开了一种压差式自动关闭阀，该阀包括阀体、通端盖、阀芯球、弹簧座、弹簧、进口端、出口端；
Page two continues with more information on the valve problems that have occurred on Space Shuttle Discovery during its preparation for the STS-119 mission.
第二页继续与更多的阀门，对发现号航天飞机发生在其为STS- 119任务准备问题的信息。
Page two continues with more information on the valve problems that have occurred on Space Shuttle Discovery during its preparation for the STS-119 mission.
第二页继续与更多的阀门，对发现号航天飞机发生在其为STS- 119任务准备问题的信息。
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