extension alarm meaning in English

延伸报警
延伸警报

Extension alarm panels
加长警报操纵台
Experiments and training can be carried out for the benefit of students on this system in the areas of signal measurement , signal transmission , data display , alarm display , modification of parameters , locking and awakening of alarm , extension alarm and simulation tests etc . , which will improve the ability of students in the maintenance and management of modern ship - board automation control system ; 4
有利于对学员进行信号测量、信号传递、数据显示、报警显示、参数修改、报警闭锁与唤醒、延伸报警以及模拟实验等各方面的实验和训练，提高学员对现代化船舶自动化控制系统的维护和管理能力。