单项选择题
A.温度 B.支点 C.季节 D.原点
A.84.4% B.88.6% C.90.3% D.97.6%
A.92.4%B.96.6%C.96.9%D.102.2%
A.50mm B.100m C.150mm D.200mm
A.60kN B.80kN C.100kN D.120kN
A.1~2h B.2~3h C.3~4h D.4~5h
A.游标卡尺 B.针状规准仪 C.直尺 D.片状规准仪
A.从使用日期起算为12个月 B.从出厂日期起算为12个月 C.从使用日期起算为6个月 D.从出厂日期起算为6个月
A.106±1mm B.116±1mm C.126±1mm D.136±1mm
A.偏大B.偏小C.一样D.不一定
A.直径x高=100mmx100mm B.直径x高=150mmx150mm C.直径x高=50mmx50mm D.直径x高=200mmx200mm