- 针形阀自动关闭压力
- aov automatically operated valve: 自动阀
- automatically operated inlet valve: 自动操作进给阀
- automatically operated valve: 自动操纵阀; 自动操作阀; 自动阀
- quick shutting valve for marine use: 船用快关阀
- aoiv automatically operated inlet valve: 自动操作的进气活塞
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