Theheartofthedieselengineisthe()wherethefuelisburntandthepowerdeveloped.
A. crankcase
B. cylinder
C. scavengebox
D. piston
Keep()tothatpoint,saidthepilot.
A. straight
B. direct
C. forward
D. on
在结焦末期,荒煤气中的主要成分是()
A. H
B. CH
CO
Thehotexpandinggasrotatesthebladesoftheexhaustturbine,thusgivingoutlargepartofitspower,whichdrives().
A. theoilseparator
B. thefreshwatergenerator
C. thecompressor
D. firepump