patrol maintenance
常见例句
- Be on duty helmet's summit cold rain is busy at patrol and maintenance of order.
执勤警察顶着冷雨忙着巡逻和维持秩序。
www.0734.coolline.cn - To ensure normal production, careful patrol maintenance by servicemen is recommended.
同时在开机期间设备维修人员要加强巡检力度，保证正常生产。 - Be responsible for conducting periodical patrol inspection and maintenance on electric instruments and devices and make the running and maintenance records.
负责对电器仪表设备做定时巡检，定期维护，并做好运行记录和维护记录； - The newest and smartest building belongs to the Highway Maintenance Patrol (District 5 Number 45-62).
ECONOMIST: America’s highways 返回 patrol maintenance