The surface qualities depends on the size , color , location and quantity of spots on pearl ' s surface 光洁度是指珍珠表面由瑕疵大小、颜色、位置及多少决定的光滑、洁净的总程度。
Seat face stellited , ground and lapped to a mirror finish . conical seat machined to 8 rms 阀座面为钨铬钴合金，经过研磨抛光达到镜面光洁度。锥形阀座经过机加工，精度达到8rms 。
Non - rotating stem with precision acme threads and burnished finish . double acme for faster operation 不旋转的阀杆具有精密的梯形螺纹和抛光光洁度。双梯形螺纹使得操作更加快速。
Wedge is ground and lapped to a mirror finish and tightly guided to prevent dragging and seat damage 楔板经过研磨抛光达到镜面光洁度，还经过紧密性引导来防止由于拖动造成阀座的损坏。
The arrangement of each pearl in a strand be in harmony in termes of shape , luster , surface quality and size 匹配性是指饰品中各单粒珍珠之间在形状、光泽、光洁度、颜色、大小等方面协调程度。
The product can enhance the work efficiency by 2 . 5 times and glabrous degree by 1 . 5 times in polishing than other grinding materials 用本产品抛光比其它磨料工效提高2 . 5倍，光洁度提高1 . 5倍。
Fixed railway installations . equipment for overhead telecommunication and signalling lines . galvanized round head bolts , finish g 铁路固定设备.通讯和信令装置架空线路用器材.镀锌圆头螺栓.光洁度g
Glass and facet required , and also the type and colour of leather , and the finish of metal parts e . g . stainless steel , bronze , brass etc 皮革的类型,颜色,以及金属部件的涂层及光洁度如不锈钢,青铜,黄铜等
Acid dipping process which is a must to clean sand dust increases production time and cost . to shorten surfacing production time cost 喷砂处理后的铝合金部件表面欠缺光洁度,表层微尘粉?需要化学抛光或电解抛光
Methods of testing vitreous enamel finishes . apparatus for determination of resistance to hot detergent solutions used for washing textiles 搪瓷光洁度的试验方法.第19部分:洗涤纺织品用耐热洗涤剂溶解的测定装置
