Trying to find that file on my computer is like looking for a needle in a haystack!
想在我的电脑里找到那个档案简直是大海捞针！
File off both bores to the hexagon of the insertion bushing using a needle-point file.
用细锉将两个孔锉成镶入衬套的六边形。
File off both bores to the hexagon of the insertion bushing using a needle-point file.
用细锉将两个孔锉成镶入衬套的六边形。
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