水在变直径竖管中流动,已知粗管直径d1=300mm,流速v1=6m/s。为使两断面的压力表读值相同,试求细管直径(水头损失不计)。
参考答案:
解答过程略答案为:d2=0.24m
In the 19th century the government _____ land to settlers willing to take care of it. [ ]
A. advocated
B. separated
C. divided
D. distributed
()要担负起全面领导党风廉政建设和 * * 败工作的监督责任。
A.组织部门
B.各级党委
C.各级纪委
D.各级政府