The length of hub engagement shall not include O-ring and oil distribution grooves in the hub or the shaft or the amount of installed hub overhang.

轮毂接合的长度不应包括O型环、轮毂或轴或悬垂安装轮毂中的油分配槽。

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Taking the Second Long Distance Telecommunication Hub Project of Zhengzhou for an example, this paper makes models of solid finite element to super-length building.

以郑州第二长途电信枢纽工程为例，对超长建筑结构进行整体有限元建模。

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Since cables of different types are available and shorter ones are cheaper, it is necessary to make such a plan of hub connection, that the maximum length of a single cable is minimal.

至于电缆不同类型都是可行的，短的比较便宜，有必要做这样一个计划，叶根连接的最大长度的单芯电缆的最小。

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