2348. 当所要求的维护程序不是很长而且相对简单时,可以将上述的组合归入在一个标题下,称为维护实践

When the required maintenance procedure is not very long and fairly simple, the above combination can be grouped under a title which is called maintenance practice.

When the required maintenance procedure is not lengthy and is relatively simple, a combination of the above may be grouped under one heading and called maintenance practices.

When the required maintenance procedures are not very long and comparatively simple, the above combinations can be bound under one subject, calling maintenance practices.

答案解析

正确答案：B

设备系统操作理论翻译

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