磨刀不误砍柴功，安全教育不放松。
要知道对着地图和介绍，合理安排好自己的时间和行程还是十分必要的，磨刀不误砍柴功哦。
Want to know the map and introduce to arrange their own time and travel or very necessary, sharpening will not delay your job of work well.
要知道对着地图和介绍，合理安排好自己的时间和行程还是十分必要的，磨刀不误砍柴功哦。
Want to know the map and introduce to arrange their own time and travel or very necessary, sharpening will not delay your job of work well.
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