你可能喜欢
单项选择题
A.fuel treatment
B.fuel combustion
C.fuel injection
D.fuel separating
单项选择题
A.bottle
B.injector
C.piston
D.barrel
单项选择题
A.a separate motor
B.a cam
C.a generator
D.a chain
单项选择题
A.has begun
B.takes place
C.occurs
D.happens
单项选择题
A.the cylinder head
B.the cross-head
C.the moving piston
D.the stationary piston
单项选择题
A.tank table
B.trim
C.water contents
D.oil pressure
单项选择题
A.alternator
B.turbo-charger
C.remote controller
D.windlass
单项选择题
A.suction
B.compression
C.expansion
D.exhaust
单项选择题
A.in order to
B.because of
C.so that
D.so as to
单项选择题
A.play a great part on
B.run a role in
C.plays an important part in
D.acts as important part at