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。

youdao

To control movement of office equipment, machines and furniture and keep a log book on same.

管理并记录办公设备、机器和办公家具的搬动事宜。

youdao

Record the necessary information on the sheet (or in a log book) and store for your records.

记录表上(或在航海日志)，并作记录存储必要的信息。

youdao

The solution: a log book that lists your hours and the tasks you performed each day in detail on a property by property basis.

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Some local authorities in London are piloting a log book for all reported homophobic incidents, which Mr Jennett said should be extended to all schools, including primaries.

BBC: NEWS | UK | Education | Young children 'learn homophobia'

The explanation - that Raissi made a mistake in filling his log book, that he had flown in the Piper not on March 8th, but March 9th, a date which tallies with flying hours that were also logged.

BBC: Lotfi Raissi transcript