短語詞組短語alarm check valve 警報單向閥;報警信號檢查閥;警報止回閥;報警單向閥alarm test valve 報警測試閥alarm m valve 警報閥;報警閥feedback alarm of valve position 閥位反饋報警halon -alarm stop valve 鹵代烴報警截止閥wet alarm valve 濕式報警閥alarm shut off valve 報警截止閥Dry alarm valve assemblies 報警干閥組件gas alarm valve 煤氣警報器 返回 alarm valve