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。
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To ensure normal production, careful patrol maintenance by servicemen is recommended.
同時(shí)在開機(jī)期間設(shè)備維修人員要加強(qiáng)巡檢力度，保證正常生產(chǎn)。
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(duì)電器儀表設(shè)備做定時(shí)巡檢，定期維護(hù)，并做好運(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