Others got, planned maintenance in progress.
计划维护进行中。
| 单词 | Planned Maintenance |
| 释义 |
Planned Maintenance
原声例句
CNN 10 学生英语 2022年2月合集 Others got, planned maintenance in progress. 计划维护进行中。 历年考研英语阅读真题（英语一） Yes, more investment is needed, but passengers will not be willing to pay more indefinitely if they must also endure cramped, unreliable services, punctuated by regular chaos when timetables are changed, or planned maintenance is managed incompetently. 是的，需要更多的投资，但如果乘客还必须忍受拥挤、不可靠的服务，在时刻表改变或计划维修管理不力时经常出现混乱，他们就不会愿意无限期地支付更多的费用。
英语百科
Planned maintenancePlanned preventive maintenance ('PPM'), more commonly referred to as simply planned maintenance (PM) or scheduled maintenance, is any variety of scheduled maintenance to an object or item of equipment. Specifically, planned maintenance is a scheduled service visit carried out by a competent and suitable agent, to ensure that an item of equipment is operating correctly and to therefore avoid any unscheduled breakdown and downtime. |
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