Even though sharpening the axe before chopping down a tree takes you sometime, the speed and efficiency of it will be improved a lot, and you will spend less time cutting down the same tree.
在砍到一棵树前，去磨斧头，即使会花一点时间，砍伐的速度和效率会提高很多，但是你会花更少的时间，减少花在同一棵树上的时间。
It wasn't easy chopping at that speed through all that meat and bone.
用那样的速度砍在肉和骨头上可不容易。
Main electric Components of CTL8 Electrical locomotive are introduced, chopping regulating speed circuit and its Operating Principle are emphatically analyzed.
文章简单介绍了CTL8型电机车主要电气部件，着重分析了双控斩波调速电路及工作原理。
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