手摇呼叫 meaning in English
manual call
Examples
- Fire detection and fire alarm systems - manual call points
火灾探测和火灾警报系统.手摇呼叫地点 - Manual call point ; explosion proof , for use in operation rooms
操作室内使用的手摇呼叫防爆报警站 - Fire detection and fire alarm systems - part 11 : manual call points
火灾探测和火警系统.第11部分:手摇呼叫点