According to Terzaghi consolidation theory, the partial differential equation and filtration formula of the change diameter screw compression were induced.

根据太沙基固结理论推导出了变径螺旋压榨压方程，得出了压榨速率的表达式。

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Because planet differential gearing has some weakness someone suggests we can use hydraulic transmission to drive the horizontal screw decanter.

采用行星传动差速器的卧螺离心机存在很多不足，提出了用液压方式驱动卧螺离心机的方法。

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A screw gear type differential mechanism includes a differential carrier, an operculum, a main reducing gear driven gear, left and right half axis gears, etc.

本螺旋齿轮式差速器，包括有差速器壳、壳盖，主减速器从动齿轮，左右各一个半轴齿轮等。

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