wear smooth

The wear surface appeared smooth and the ploughing grooves were narrow and shallow.

复合材料的磨损表面较为光滑，犁沟较短且浅而窄，耐磨性较好。

Check deflection roller for damage, wear and smooth operation.

检查导向轮有无损坏、磨损以及运行是否平稳。

When sprinkled any trowelled into fresh wet concrete floors, it forms a coloured, wear resistant smooth surface.

撒播并打磨施工到新鲜湿润的混凝土地板上，即形成平滑的彩色耐麻表面。

Dental ceramics become gradually the important materials for dental crown and bridge prostheses because their high chemical stability and good biocompatibility, wear resisting, smooth and nonporous surface, lifelike color and lustre, no ageing and no coloring, etc.

牙科陶瓷材料以其良好的化学稳定性、生物相容性、耐磨损、表面光洁、色泽逼真、不老化和不着色而成为牙科冠桥修复的重要材料。