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- Organic rubbers develop a resinous surface crust through weathering. 有机橡胶经过风蚀后，逐呈现出树脂状的外表。
- Increasing numbers of four-wheel vehicles speeding over the sand break the desert's surface crust. 越来越多的四轮汽车在沙漠表面行驶破坏了沙漠表面的地壳。
- The rigid low-foamed surface crusting PVC (polyvinyl chloride), reputed as composite wood, was developping speedly in the world meterials market in the last few years. 硬质低发泡结皮聚氯乙烯(PVC),有“合成木材”的美称,近几年来在世界材料市场中发展迅速。
- When the shaft or shaft bushing hole with severe wear, work top with the pump gear c**ity surface crust should h**e some contacts. 当轴与衬套或轴孔磨损严重时，工作中齿顶与泵壳内腔表面会产生不应有的接触。
- When the shaft or shaft bushing hole with severe wear work top with the pump gear cavity surface crust should have some contacts. 当轴与衬套或轴孔磨损严重时，工作中齿顶与泵壳内腔表面会产生不应有的接触。
- By model testing,the horizontal stress in the mucky layer under overlying arath surface crust is studied in this paper, when the overlying crust is under strip evenly distributed loads. 结果表明，在硬壳层的封闭下，淤泥层内水平应力随条形均布荷载的增加成幂函数的形式增长，且淤泥层内水平应力具有较高的数值，地表荷载在淤泥层内具有较大的影响范围。
- Organic rubbers develop a resinous surface crust through weathering 有机橡胶经过风蚀后，逐呈现出树脂状的外表。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- He is honest only on the surface. 他只是表面诚实而已。
- A film of mucus and bacteria on a tooth surface. 齿菌斑牙齿表面一层粘液和细菌的膜
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- Surface mail takes longer than airmail. 普通邮件比航空邮件慢。
- The surface of the lake is quite still. 湖面相当平静。
- It's2 yuan by surface mail and3.6 yuan by air. 寄平信2元，寄航空要3元6角。
- Wheels won't bite on a slippery surface. 车轮打滑。
