alarm valve
短语词组
- alarm check valve 警报单向阀;报警信号检查阀;警报止回阀;报警单向阀
- alarm test valve 报警测试阀
- alarm m valve 警报阀;报警阀
- feedback alarm of valve position 阀位反馈报警
- halon -alarm stop valve 卤代烃报警截止阀
- wet alarm valve 湿式报警阀
- alarm shut off valve 报警截止阀
- Dry alarm valve assemblies 报警干阀组件
- gas alarm valve 煤气警报器 返回 alarm valve