圆弧导向管采用滚轮导向结构，减少铜杆表面擦伤。
The arc guiding pipe is in a trolley-guiding construction to reduce the scratch upon the wire rods surface.
他的捏拧擦伤了桃子的表面。
在高速和轻载工况条件下，打滑擦伤往往成为圆柱滚子轴承的主要失效形式，而表面粗糙度对轴承打滑损伤有很大的影响。
Under high speed lightly loaded conditions, skidding damage often becomes one of the main damage forms for cylindrical roller bearings while surface roughness has great effect on skidding damage.
疲劳可以从一次擦伤开始，所以飞机的表面以及锋利的棱角都被磨的圆滑。
Fatigue can start from a scratch, so surfaces are polished and sharp corners rounded off.
这是很重要的这种不粘锅保持表面无擦伤。
It is very important with this kind of cookware to keep the surfaces free of scratches.
擦伤-晶圆片表面的痕迹。
外观：表面应平整光滑，无皱纹和裂纹，适量避免其它缺陷，如擦伤、压痕等，允许有少量斑点。
Requirement Appearance: surface should be flat and velvet, without wrinkle and crack, avoid other disfigurement, such as scratch, impress, a few spot is available.
针对钢球表面易产生擦伤，影响钢球精度等原因，采用表面强化处理的方式提高钢球表面质量，降低振动值，提高疲劳寿命。
Based on this, the steel ball surface quality is increased by the means of surface handling, then the vibration value is reduced, the fatigue life is raised.
螺杆泵虽然具有干吸能力，但是必须防止干转，以免擦伤工作表面。
Screw while having dry absorption capacity, but it must be to prevent the stem turn, so as not to scratch the surface of the work.
阀杆经调质及表面氮化处理，有良好的抗腐蚀性及抗擦伤性。
The surface and the adjusting media of the valve shaft are nitrogenized so that it is erosion and abrasion resistant.
用一般的折弯模很难达到不擦伤表面，对此，提出了一种新的折弯模结构，并分析了其成形过程。
It is so difficult to get non-scrape surface using ordinary bending die. Thus a new bending die structure is provided, and its forming process is analyzed as well.
结果表明：在低速条件下渗硫层可显著改善钢表面的抗擦伤性能，且具有较好的减摩耐磨作用。
The results showed that the sulphide layer could improve the anti scuffing property of steel at low speed remarkably, and showed excellent friction reducing and wear resistant effects.
喷涂后的瓦坯放于通风干燥处晾至表面干即可进行重叠堆码，但需小心轻放，以防擦伤，三天至七天后即可洒水养护瓦体（冬天适当延长）。
The tiles blank can be overlapped and stacked, but you should handle with care to avoid abrasion. Water and protect the tiles in 3-7 days. (It can be longer in winter).
喷涂后的瓦坯放于通风干燥处晾至表面干即可进行重叠堆码，但需小心轻放，以防擦伤，三天至七天后即可洒水养护瓦体（冬天适当延长）。
The tiles blank can be overlapped and stacked, but you should handle with care to avoid abrasion. Water and protect the tiles in 3-7 days. (It can be longer in winter).
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