偶不需要太长的，最好是双刃，刃长有20 - 25厘米就可以。
I don't need a too long one, and paired blades are best, with 20-25cm long blade.
分析了采用大刃倾角-拉屑复合切削方法制造连续型金属长纤维时纤维横截面的形成机理。
The forming mechanism of the cross section of unbroken metal fibers manufactured by the combined cutting of big inclination cutting and chip pulling cutting is analyzed.
是指剑，刀一种武器，通常由长而直或微微弯曲的、尖刃，有一面或两面锋利切边的刀锋组成，刀锋嵌入刀柄之中。
Sword means a weapon consisting typically of a long, straight or slightly curved, pointed blade having one or two cutting edges and set into a hilt.
是指剑，刀一种武器，通常由长而直或微微弯曲的、尖刃，有一面或两面锋利切边的刀锋组成，刀锋嵌入刀柄之中。
Sword means a weapon consisting typically of a long, straight or slightly curved, pointed blade having one or two cutting edges and set into a hilt.
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