单项选择题
A.0.6 B.0.8 C.1 D.1.6
A.-18℃≤t≤40℃ B.0℃≤t≤40℃ C.0℃≤t≤70℃ D.0℃≤t≤80℃
A.±1% B.±10% C.±12.5% D.±15%
A.±0.50mm B.±1% C.±10% D.±12.5%
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