在此基础上，提出了本文的叠加理论计算公式。
Then, this paper introduces a new calculation method of superposition theory.
给出了一种线接触弹流问题中油膜厚度的理论计算公式。
A theoretical formula for computing the film thickness in line contact EHL problems is derived.
介绍了冲压式蜂窝煤机的生产率和电机功率的理论计算公式。
The article mainly introduces the theoretically calculating formula of honeycomb coal die_forming machine productivity and motor power.
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