A.is small
B.may be neglected
C.is useful
D.is considerable
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A.remained
B.still
C.no longer
D.much mere
A.Desired value
B.Set value
C.Measured value
D.Deviation
A.Accommodation heating system
B.Steering gear
C.Boiler control
D.Cargo control
A.paralleling
B.series-mounting
C.running
D.control
A.inductive
B.resistance
C.combined
D.capacitate
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