确定其平面位置
Determine its plane position
以上为机器翻译结果，长、整句建议使用 人工翻译 。
结合施工实际，为保证多面土体的准确形成，应用立体几何确定其各条交线的空间位置，并推导出在任意情况下交线平面位置的关系公式和交线坡比。
Connecting with the practice of construction, the method was used to learn the space location of each separate line which was to ensure the accurate formation of multi-surface earth.
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