A.3~5m
B.5B8m
C.10m
[单选题]“管井井点”可降水深度为()A.3~5mB.5~8mC.<10mD.>10m
[单选题]“管井井点”可降水深度为()。A.3~5mB.5~8mC.<10mD.>10m
[单选题]“管井井点”可降水深度为()A.3~5mB.5~8mC.<10mD.>10m
[单选题]当降水深度超过8m时,宜采用喷射井点,降水深度可达()。A.5~15mB.8~20mC.10~20mD.15~30m
[单选题]当降水深度超过()时,可加大管井深度,改用深井泵即深井井点来解决。A .10mB .15mC .20mD .25m
[单选题]当降水深度超过()时,可加大管井深度,改用深井泵即深井井点来解决。A.8B.10 C.15D.20
[单选题]当降水深度超过()时,宜采用喷射井点。A . 6mB . 7mC . 8mD . 9m
[单选题]当降水深度超过()m时,应采用深井井点进行降水。A . 6mB . 8mC . 10mD . 15m
[单选题]多级轻型井点系统中,一般下一级井点系统的降水深度较上一级降水深度递减()m左右。A .0.3B .0.5C .0.8D .1.0