A.by which
B.to which
C.in which
D.at which
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A.inside；associated
B.inside；not associated
C.outside；associated
D.outside；not associated
A.fuel-air ratio
B.compression ratio
C.fuel rack
D.viscosity index
A.boiler
B.main engine
C.auxiliary engine
D.incinerator
A.flash；fresh air
B.wash；fresh water
C.flush；compressed air
D.rush；diesel oil
A.has learnt
B.have learnt
C.learn
D.are learning
最新試題
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