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在一元流动理论基础上，根据螺壳式压出室的结构特点，对其中液体流动的物理过程和造成的水力损失进行了分析，并导出了部分计算模型。
Based on the theory of a unitary flow, the physical process of the liquid flow and the hydraulic loss caused by the liquid are analyzed according to the structural characteristics of the screw-shell pressure chamber, and some calculation models are derived.