No connection available什么意思No connection available啥意思?

have no connection No connection available什么意思No connection available啥意思? no working betwork connection detected NO CONNECTION!CHECK SIGNAL CABLE there is no connection意思是什么 No operation allowed after connection close （no connection to the data server! connection Connection: connection connection there is no internet connection present at the moment! Failure of server APACHE bridge:--------------------------------------------------------------------------------No backend server available for connection:timed out after 10 seconds.-------------------------------------------------------------------- No backend server available for connection:timed out after 20 seconds.的意思 Connection failed . connection是什么意思 connection是什么意思 connection是什么意思?