单项选择题
A.22mm 和25mmB.22mm 和32mmC.25mm 和32mmD.22mm 和38mm
A.±20mmB.±10mmC.±15mmD.±25mm
A.4~5mmB.10~15mmC.5~10mmD.15~20mm
A.7.5mmB.10.5mmC.12.5mmD.5.5mm
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