文章提出弓形面积和弧长计量的实用公式,并分析了该公式的相对误差。
This paper puts forward some practical formulae of measuring the area and arc length of arch form, and analyses the relative error of these formulae.
脱泥弧弓形缺陷与扒土板均匀相间。
The bow defects of the desliming arc are evenly alternated with the raking soil boards;
脱泥弧弓形缺陷与扒土板均匀相间。
The bow defects of the desliming arc are evenly alternated with the raking soil boards;
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