The surface strength of flexo print was discussed from paper smoothness , paper glossiness , and print dot percentage . it was put forward that the surface strength is determined by rub resistance 摘要从柔印所用纸张的平滑度、光泽度以及印品网点面积百分比等3方面，探讨了柔印印品的表面强度问题，表面强度是通过耐摩擦性能来衡量的。
Any special requirements such as gear operation , motor operation , hydraulic or pneumatic cylinder operation , anti - friction bearing yoke sleeve , by - pass of drain , etc . must also be specified on purchase orders 如果有特殊要求，如齿轮操作机构，马达执行机构，液动或气动缸体执行机构，耐摩擦轴承轭架套管，排泄旁路，等等，在订购时都必须特别注明。
Featuring shock resistance about ten times that of glass together with high abrasion resistance , these plastic optical lenses are at the heart of our swans brand products , which include special glasses for fishing , golf , baseball , marathon running , etc . as well as ski and swim goggles 作为镜片来说采用了超轻量，耐震性是玻璃强度的10倍，耐摩擦性强的光学优质不变形高精密度镜片来作为运动眼镜。同时用swans品牌展现了钓鱼，高尔夫，棒球，马拉松等专用镜片和滑雪，游泳的护目镜。
When choosing a sofa , material being upholstered is one of the main factor into considerations , while genuine leather sofa has always been the ones that everyone wants . it is because genuine leather has comfortable elasticity and ventilating ability that is warm in winter and cool in summer , soft and elegant to touch , besides , it is durable and is easy to clean . in addition , its natural glow allows every leather sofa has its individual natural 选购沙发，它的质料是首要考量的因素之一，而真皮的沙发正是大家所希望拥有的，其原因是，真皮具有舒适的弹性、透气、冬暖夏凉、柔软优美的触感，而且具有耐高温、耐摩擦的物性，容易清理的方便，此外，它的自然光泽更呈现出高雅的视觉享受。
