There are standard work book, operating reference book, not standardized.
有标准作业书，作业基准书，不是标准化。
In his book, he explained the operating theories of computer in detail.
在他的书中，他详细阐述了计算机的工作原理。
All operating periods and maintenance work have to be entered in a log book.
所有运行周期和和维护工作必须记入工作日志。
All operating periods and maintenance work have to be entered in a log book.
所有运行周期和和维护工作必须记入工作日志。
应用推荐