Average type beam drill is composed of base, inside and outside column, rocker arm, main spindle box and job.

普通型摇臂钻床由底座、内外立柱、摇臂、主轴箱及工作组成。

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The tension side of the beam flange which was separated from the beam and the box-column formed the model for analysis.

将梁受拉翼缘单独取出，与箱形柱连接形成分析模型。

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The box-column and H beam joint is commonly used in steel frame structures.

柱 与H型钢梁刚性连接节点是钢框架结构中最常见的节点形式之一。

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