Cuts can become infected if a person USES nonsterile or dirty cutting instruments - razors, scissors, pins, or even the sharp edge of the TAB on a can of soda.
如果一个人使用未经消毒或肮脏的切割工具——剃刀、剪刀、别针，甚至是一听汽水标签的尖锐边缘，切割可能会导致感染。
U. S. to develop technology and processes to ensure that the saw blade and other cutting instrument was the most sharp edge.
我们的开发技术和工艺保证了锯片和其它切削工具获得了最锋利的刃口。
They look like chipped cobbles, and they were made simply by taking one large piece of stone and striking it with another, chipping off a few bits to make at least one sharp cutting edge.
它们外表看来就像一颗颗稍稍锤击过的鹅卵石，而且它们制作简单，通常就是拿两颗石头互相锤击，至少把一端锤打出一个尖锐的边缘出来。
The sharp part of a tool, such as the cutting edge of a knife or ax.
刀刃，斧刃工具的锋利部分，如刀片或斧头切割边。
Similar hardness and white fused alumina, white fused alumina than in the high toughness, abrasive cutting edge sharp edges and corners to keep good, high durability.
与棕，白刚玉相比硬度高，韧性大，呈单颗粒球状晶体，具有良好的多棱切削刃，抗破碎较强。
Such an Angle is not too sharp in order to allow the use of blades that are not too thin for maintaining a stable quality of the blades at the cutting edge.
这个角度不太锋利是为了使用不太薄的刀片以维持刀锋处稳定质量。
Paper-cut artists rely on their sharp cutting edge solutions, as well as graver problem species.
剪纸艺人只能靠自己解决刀刃的锋利问题，以及刻刀的品种问题。
Paper-cut artists rely on their sharp cutting edge solutions, as well as graver problem species.
剪纸艺人只能靠自己解决刀刃的锋利问题，以及刻刀的品种问题。
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