emergency elevator
常见例句
- Elevator emergency service.
电梯应急维修服务； - Maintenance free storage battery 12v65ah is used for UPS power, elevator emergency evacuate system and so on.
用于UPS电源，太阳能，电梯应急疏散系统、高磁吸吊等备电。 - Reacho brand emergency device for elevator has multiple functions; it can provide both illumination voltages for elevator and pronunciation indication for user.
多项选用功能，可向用户提供电梯照明电压、语音提示。 返回 emergency elevator