E-2维护简编，凡是飞行1小时，需要18至20个工时(Man-hour)的保养。上面所说的工时包括全数的例行定期检查，也包括策动机每使用50及100小时的定期检查。
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maintenance man-hour 维修人时
man-hour rate 人工时单价 ; [劳经] 工时率
man-hour report 工时报告
mean maintenance man-hour 平均维修人时
man-hour estimate 人工时估算
man hour 工时 ; 人时
tons per man-hour 吨人·小时
standard man-hour 标准工时
Man-hour Study 工时研究
同义词： man hour person hour
以上来源于: WordNet
N-COUNT A man-hour is the average amount of work that one person can do in an hour. Man-hours are used to estimate how long jobs take, or how many people are needed to do a job in a particular time. 工时
The restoration took almost 4,000 man-hours over four years.
这项修复工作大概用了4000工时，历时4年。
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