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【多选题】
根据《房屋建筑与装饰工程工程量计算规范》(GB50854-2013),石方工程量计算正确的有( )A.
挖一般石方按设计图示尺寸以建筑物首层面积计算
B.
挖沟槽石方按沟槽设计底面积乘以挖石深度以体积计算
C.
挖基坑石方按基坑底面积乘以自然地面测量标高至设计地坪标高的平均厚度以体积计算
D.
挖管沟石方按设计图示以管道中心线长度以米计算
E.
挖管沟石方按设计图示截面积乘以长度以体积计算
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