Maintain department log books for all functions; communication book, repair reports etc.

确保在值班日志上记录每日运行情况；信息记录，维修报告等。

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The utility model relates to an improved new exercise book, which is also suitable for any printed matter which is bound into a sheet, such as an account book, a log book, etc.

本实用新型是一种改进的新型作业本，它也适用于任何一种装订成册的印刷品，如帐本、记录本等。

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