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- When closing, the sphere surface is getting gradually to the seat so that efficiently remove the obstacle of scaring and scaling, and reach reliable sealing by the self-lock effect of angle eccentric. 关闭时蝶板球面逐渐接近阀座;可有效地切除结疤;结垢等现象;依靠角偏心的自锁作用;开关省力实现可靠密封.
- The Algebraic Property of Rolling Sphere Surface 滚球曲面的代数性
- GPS strain field in sphere surface 球面GPS应变场
- He drew a world map on a sphere. 他在球上面画了一幅世界地图。
- A representation of a sphere or part of a sphere on a plane surface. 平面球形图在平面图形上对一个球或球的一部分的表示
- The geometry of figures on the surface of a sphere. 球形表面物体的几何学。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- Curved like the inner surface of a sphere. 凹的象球体的内表面一样弯曲的
- 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。
- She's used to mixing in an altogether different sphere. 她习惯於在一个完全不同的社会阶层里交往。
- He has extended his sphere of influence to the world of banking. 他已把自己的势力范围扩展到金融界。
- 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。