... profiling仿形切削 profilogram轮廓曲线 profilograph轮廓曲线仪 ...
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skeleton map , skeleton drawing
On the basis of the curve equation of the profilogram deduced exactly, this paper obtains an exact calculating method for the cross sectional area of gear.
从理论上解析大倾角带式输送机物料横截面积的计算过程，并通过具体实例验证大倾角皮带机输送量的计算的合理性。
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