How many oil pumps does CFM56-3’s oil system have? ( )
A: 4
B: 3
C: 1
D: 2
A: 4
B: 3
C: 1
D: 2
举一反三
- How much oil does the Middle East produce today A: most of the world's oil supplies. B: 2/3 of the world's oil supplies. C: 1/3 of the world's oil supplies. D: 1/4 of the world's oil supplies.
- How many stanzas does the poem If have A: 1 B: 2 C: 3 D: 4
- The oil cooler of oil system on CFM56-3 engine are located in ( ). A: the oil scavenge circuit B: the oil supply circuit C: the oil tank D: the AGB
- The oil cooler of oil system on CFM56-3 engine are located in ( ). A: the AGB B: the oil tank C: the oil supply circuit D: the oil scavenge circuit
- How many objectives does the introduction part of the speech have? A: 1 B: 2 C: 3 D: 4