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单选题
对制造商认为的典型属于非计划性的维护任务所需说明在“非计划维修”标题下。
A
The instruction necessary for performing maintenance tasks that the manufacturer considers to be typically unscheduled is entitle "Abnormal Maintenance".
B
These instructions are titled ＇Unscheduled Maintenance＇ and are necessary for performing maintenance tasks that the manufacturer considers to be typically unplanned or unexpected.
C
The instruction necessary for performing maintenance tasks that the manufacturer considers to be typically nonroutine is entitle "Abnormal Maintenance".
答案解析
正确答案：B
