A.0.013m B.-0.013m C.0.025m D.-0.025m
A.溫度改正數(shù)為負(fù) B.溫度改正數(shù)為正 C.溫度改正數(shù)為零 D.不需改正
A.0.004m B.0.017m C.0.008m D.0.009m