Less surface area means less drag, and less drag means more fuel efficiency. Kevin hand.
较少的表面面积意味着较少的阻力，相应地提高了燃油效率。
Using computer to calculate forest base area instead of drawing can raise efficiency and precision.
本文用计算器计算的方法代替作图，求算面积，可提高效率和精度。
Through large area demonstration, a good social, economic efficiency and ecological benefit had been obtained.
该规程经大面积示范推广，取得了良好的社会效益、经济效益和生态效益。
The membrane separation system has advantages of simple operation, small area and obvious economic efficiency.
膜分离系统操作简单，占地少，经济效益明显。
F. High-precision filter, filter wide area, high efficiency, simple operation, easy to clean.
高精密过滤，过滤面积广、效率高、操作简单、清洗容易。
F. High-precision filter, filter wide area, high efficiency, simple operation, easy to clean.
高精密过滤，过滤面积广、效率高、操作简单、清洗容易。
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