单项选择题
A.0-5mmB.0-10mmC.0-15mmD.0-20mm
A.5‰,±3mmB.5‰,±5mmC.5%,±5mmD.5%,±3mm
A.±500mmB.±400mmC.±300mmD.±200mm
A.0-2mmB.0-3mmC.0-4mmD.0-5mm
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