磨刀不误砍柴功
Sharpening a knife is not a mistake in cutting wood
以上为机器翻译结果，长、整句建议使用 人工翻译 。
磨刀不误砍柴功，安全教育不放松。
Quicken work, safety education does not relax.
youdao
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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