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如图D-26，已知用经纬仪从O点测得一条10kV线路A与通信线B交跨在地面投影点C塔尺上的读数上丝为1.80m，中丝1.55m，下丝1.30m，垂直角为0°；又测得通信线垂直角 ，10kV电线垂直角 ，试求OC水平距离D OC 及AB间净空垂直距离P是否满足。
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