1)attended time,值班时间2)watch hour,值班时间3)watch-keeping cubicle,值班时间4)watch-hour,值班时间5)watch-keeping period,值班时间6)duty work schedule,值班时间表7)timke of unattendance,无人值班时间8)trick,舵工的值班时间9)trick,舵手值班时间10)on watch,值班
用法和例句
Conventional on watch systems have such weaknesses as poor flexibility,absence of interoperability,high cost for use and rebuilding.