patrol maintenance

基本解釋

Be on duty helmet's summit cold rain is busy at patrol and maintenance of order.
執(zhí)勤警察頂著冷雨忙著巡邏和維持秩序。
www.0734.coolline.cn
To ensure normal production, careful patrol maintenance by servicemen is recommended.
同時(shí)在開機(jī)期間設(shè)備維脩人員要加強(qiáng)巡檢力度，保証正常生産。
Be responsible for conducting periodical patrol inspection and maintenance on electric instruments and devices and make the running and maintenance records.
負(fù)責(zé)對電器儀表設(shè)備做定時(shí)巡檢，定期維護(hù)，竝做好運(yùn)行記錄和維護(hù)記錄；

The newest and smartest building belongs to the Highway Maintenance Patrol (District 5 Number 45-62).
ECONOMIST: America’s highways