纵轴纵向轴线
Vertical axis
以上为机器翻译结果，长、整句建议使用 人工翻译 。
底座固定在建筑物墙面附近，其纵向轴心线与建筑物墙面平行，纵轴线到墙面间距为3米。
The base is fixed near the building wall, the vertical axle line is parallel to the building wall, the distance from vertical axle line to the wall is 3m.
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