容量为500L的强制式搅拌机,在坍落度>30mm的条件下,每盘混凝土最短的搅拌时间为

题型:单项选择题

问题:

容量为500L的强制式搅拌机,在坍落度>30mm的条件下,每盘混凝土最短的搅拌时间为( )。

A.908

B.60s

C.30s

D.120s

考点:造价工程师建设工程技术与计量(土建)建设工程技术与计量(土建工程部分)10
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