【单选题】
土方开挖前，必须保证一定的预抽水时间，一般真空井点不少于（），喷射井点或空深井井点不少于( )。
A. 3～4h；5h
B. 4～6h；10h
C. 6～9h；15h
D. 7～10h；20h
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答案
D
解析
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What can prevent Storage DRS from functioning on a datastore?___
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What advanced option for vSphere HA defines a maximum number of reset attempts by VMCP for a virtual machine?___
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