This paper introduces a solar energy fiber emergency telephone system in order to solve the problems existing in traditional cable type emergency telephone.
为了改善传统电缆型紧急电话存在的防雷效果差、话机工作点不稳定、话机故障高和需增加中继设备等缺陷,介绍了一种高速公路上新一代的紧急求救产品——太阳能光纤紧急电话系统。
Then it compares several kinds of composition of roadside emergency telephone system.
本文对高速公路紧急电话的重要性与需求进行了分析,对各种紧急电话的构成方式进行了比较,提出了光纤型紧急电话在高速公路的设计方案。
Improvement for 500 kV Substation Emergency and Stand-by Power Control Circuit
500 kV变电站紧急备用电源控制回路的改进措施
equipment on yes-break supply
有紧急电源供电的设备
secondary emergency exit [bus]
备用紧急出口〔巴士〕
Invoke emergency powers.
求助紧急备用部队。
Emergency food rations.
紧急时备用应急的食物配量
emergency bearing oil pump
紧急备用轴承油泵应急轴承油泵
emergency set
救急用电台，备用台，备用[应急]装置
kept in reserve especially for emergency use.
留下来备用的尤其是为了紧急使用。
a reserved ration
预备口粮(紧急时使用的浓缩食品)
emergency transfer capability
备用交换功率;备用转换功率;紧急转换能力
Should there be urgent situations, press this red button to switch off the electricity.
万一有紧急情况，请按红色按钮以切断电源。
emergency position indicating radio beaco
紧急无线电示位标紧急无线电示位标
Vending machines equipped with security cameras and emergency buzzers have recently been installed along school routes to protect children.
最近，学校沿途装置配备监视用摄影机与紧急电铃的贩卖机，以保护孩童。
emergency generator
备急发电机;事故备用发电机;事故用发电机;应急发电装置
a supply or stock held in reserve especially for future use (especially in emergencies).
库存的东西或供给物（特别是备将来或紧急之用）。
The Preparation Plan of the Emergency Treatment about Telecom Power Supply Equipment
关于通信开关电源设备的应急处理预备方案
mobile emergency winding equipment
移动式紧急提升设备
emergency preparedness
紧急状况的准备工作