The two factors which make underwater hull repair difficult are accessibility and the().
A、availability of tools
B、shape of the hull
C、pressure exerted by the water
D、threat of progressive flooding
A、availability of tools
B、shape of the hull
C、pressure exerted by the water
D、threat of progressive flooding
A、operator training B、cache size of the two clusters C、fibre bandwidth capability between the sites D、number of stacked tape drives attached to each cluster
A、the speed of the alternators B、the field strength of the machines C、the power factor of the alternators D、steam supply to the prime movers
A、line quality B、distance from the CO C、brand of xDSL modem D、number of twisted-pair wires used
A、The backup as copy can only be taken to disk B、The backup as copy can only be taken to tape C、Backup can be performed only when the instance is shutdown D、Backup will constitute all used and unused blocks in the database
A、atmospheric pressure B、wind speed C、relative humidity and dew point D、wind chill factor
A、A.field excitation of both units is adjusted B、B.governors of both units are adjusted C、C.phase sequence is altered D、D.kilowatt load is evenly divided
A、radio communications that are available B、maximum speed of your vessel C、temperature D、current
A、diameter of the discharge piping, with all other factors remaining the same B、diameter of the suction piping, with all other factors remaining the same C、width of the impeller only D、diameter of the impeller