上表面的英文

supine surface

top surface

u er surface

upper surface

• 上:    upper; up; upward
• 表面:    surface; superfici ...
• 机翼上表面:    u er surface of th ...

例句与用法

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1. The upper surface of glacier is riven by crevasses .
   冰川的上表面已裂成冰隙。
2. The upper surface of the fluid is under atmospheric pressure .
   流体上表面受大气压力作用。
3. The upper surface of the bed remains horizontal when the container is tipped .
   当容器倾斜时床层上表面保持水平。
4. 05 . 02 corrugated board , test for surface wax coating on
   波纹纸板上表面蜡涂层的试验
5. When water boils , bubbles rise to the surface
   当水煮开时，气泡浮上表面。