He told us a warning light had gone off and he had to contact maintenance and see what needed to be done. 他告诉我们,有一个警示灯灭了,他必须联络维修人员,看需要做些什么。
Compared with the interphone, the system offers the elevator passenger more convenient to contact the maintenance man in the accident and it adapts the elevator automatic monitoring and unmanned manage trend. 此系统无需监控中心人工干预,比以往使用的对讲机方式处理该类事件更方便相关人员与电梯乘客的沟通,符合电梯自动监控以及无人化管理的趋势。
Contact Engineering, after ascertaining which lift has the problem, they will contact a contract maintenance company. 在确定电梯故障后,联系工程部,他们将联系维修单位。
Ideological security has close contact with the maintenance of social system, the enhancement of legitimacy, social integration and the safeguard of national interests. Ideology security is important in our country. 意识形态安全与社会制度维系、执政合法性增强、社会整合、国家利益维护有重要关联,意识形态安全在我国具有重要意义。
Characters of Rigid Suspension of Overhead Contact System and its Maintenance 架空刚性接触悬挂的特点及其维修