Bolt circle diameter and pitch between bolt holes.
螺栓圆周直径及螺栓孔间距。
This paper introduces the approximate calculation of components and compound section of vertical vessel lug support with stiffening ring and the selection of anchor bolt circle diameter.
介绍了立式容器壳体刚性环耳式支座构件及组合截面的近似计算过程，并对地脚螺栓中心圆直径的选择作简要分析。
An example is a bolt hole circle, in which the diameter of the bolt circle, the spacing of thebolt holes, and other parameters must be specified.
例如螺栓孔圆形，螺栓圈的直径，其中必须指定螺栓孔和其他参数的间距。
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