A.±1.5℃或±0.4%t B.±1.5℃或±0.75%t C.±2.5℃或±1.5%t D.±2.5℃或±0.75%t
A.4 B.5 C.6 D.9
A.±(0.25-0.1)×1.6% B.±0.1×1.6% C.±0.25×1.6% D.±(0.25+0.1)×1.6%