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【多选题】
混凝土运输的要求包括下列哪几项( )。A.
混凝土在运输过程中可以出现离析现象
B.
混凝土应以最少的转运次数、最短的时间，从搅拌地点浇筑地点
C.
运输工作要保证混凝土的浇筑工作连续进行
D.
浇筑地点后，应符合坍落度的要求
E.
粘附的混凝土残渣可以存留
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