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.

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。

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。

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。

The experiment results showed that their friction coefficients in stable were almost same at the same load, approximately between 0.32 and 0.36.Their friction coefficients slightly increase with wear load up.

结果表明：在本实验条件下，同一载荷稳定状态时2种铜铬触头材料的摩擦系数基本相当，约在0.32~0.36之间；

As women age, many like to wear make up in order to retain their youthful appearance.

为了保有年轻的外貌，许多女人一上年纪就喜欢化妆。

The grinding burn causes the surface hardness falling off and wear speeding up.

磨削烧伤使表面硬度下降，磨损加剧。

Perhaps you should wear it up.

你或许可以试试这件。

Is it better to wear hair up or down?

头发是梳起来好呢，还是放下来好？

You didn't wear make up when you were married.

你们结婚你都没化妆。

Most people are like the white clothes, good collocation wear up and beautiful, but in washing time often makes many people worry.

大多数人都喜欢白色的衣服，好搭配穿起来又靓丽，但是在洗涤的时候常令很多人都犯愁。

The Research& Development of the First Domestic Manufacture Line of Dual-head High Pressure Hydraulic Testing Machine

我国首条双头高压水压试验机生产线的研制

Finally, its effect and significance for the development of the domestic manufacture industry is elucidated.

最后，阐述了区域型行业企业联盟对我国制造业发展产生的作用和意义。

Domestic Manufacture of Hydraulic System of Casting Machine for Aluminum Alloy Ingot

铝合金锭铸造机液压系统的国产化

The Prospect of Domestic Manufacture of B& M Control System on Papermaking Process

浅论造纸过程定量、水份控制系统国产化

Discussing the Mode of Credit Marketing Management for Domestic Manufacture SMEs

针对国内中小型制造企业信用营销管理模式的探讨

Domestic manufacture of type CLG-616 phase splitter for type 6K locomotive

6K型机车用CLG-616型劈相机的国产化

Giving priority to the domestic manufacture of process facilities in the coming 5 years.

今后5年将工艺设备的国产化放在首位。

Home Manufacture of Hydraulic Lubrication System for 16-50 Hydraulic Rotary Crushers

16&50液压旋回破碎机液压、润滑站国产化

Carrying out Home Manufacture of Brushless Excitation system with High Initial Response

高起始响应无刷励磁系统国产化

A Home Manufacture Scheme of Metro and LRT's Signal System

地铁与轻轨信号系统的国产化方案