名词解释
A.10%~20% B.20%~30% C.30%~35% D.35%~40%
A.10° B.20° C.15° D.25°
A.370~400mm B.350mm C.420mm D.450mm
A.175~200mm B.180~190mm C.165~210mm D.150~200mm
A.700~750 B.600~650 C.600~700 D.800~850