Bearing clearance, not only finished products bearing support of one of the main parameters of accreditation component, but also carry an important factor.

轴承间隙后，不仅成品轴承支撑的资格认可的主要参数之一组件，而且还可以承载的一个重要因素。

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With a view to enlarging the ideal bearing size of the shield support, the writer also presents a way to decide the main parameters of a balance jack.

并从扩大理想承载区的观点出发，提出了平衡千斤顶主要参数的确定方法。

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Adopting the spring unit to simulate the support of main bearing so as to let the computation model be more close to the actual situation.

采用弹簧单元模拟主轴承支承，使计算模型更接近实际情况。

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