alarm valve
短语词组
- alarm check valve 警報單曏閥;報警信號檢查閥;警報止廻閥;報警單曏閥
- alarm test valve 報警測試閥
- alarm m valve 警報閥;報警閥
- feedback alarm of valve position 閥位反餽報警
- halon -alarm stop valve 鹵代烴報警截止閥
- wet alarm valve 溼式報警閥
- alarm shut off valve 報警截止閥
- Dry alarm valve assemblies 報警乾閥組件
- gas alarm valve 煤氣警報器 返回 alarm valve