log book造句

1、Ensures the activities / events Log book is being accurately maintained.
确保特殊活动/事件被正确地记录，与保存。

2、He took his log book and some equipment and left in the mobile unit.
他拿着自己的日志簿和一些设备，开着汽车出发了。

3、Does your factory keep a quarterly maintenance log book on all electronic devices?
工厂保存一每季电子的装置维护记录书?。