单项选择题X 纠错
A.0.8 m B.0.9 m C.1 m D.1.2 m
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单项选择题
A.1/200 B.1/450 C.1/750 D.1/800
A.2‰ B.3‰ C.4‰ D.5‰
A.0.03 mm B.0.05 mm C.0.06 mm D.0.07 mm
A.130mm B.140mm C.150mm D.160mm
A.200mm B.300mm C.400mm D.500mm
A.±20 mm B.±30 mm C.±40 mm D.±50 mm
A.-10~+50 mm B.-50~+100 mm C.-60~+150 mm D.-80~+200 mm
A.±20 mm B.±25 mm C.±30 mm D.±40 mm
A.200mm B.250mm C.300mm D.400mm
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