单项选择题
A.1±0.1 B.0.5±0.01 C.0.6±0.01 D.0.2±0.01
A.0.30% B.0.40% C.0.50% D.0.20%
A.105-120℃ B.100-105℃ C.105-110℃ D.110-120℃