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单项选择题QB/T2474-2000标准中方舌、钩舌的伸出长度应符合()

A、双舌、钩舌≥12.5mm,双舌(钢门)9mm,单舌12mm

B、双舌≥12.5mm,双舌9mm,单舌12mm

C、双舌≥11mm,双舌(钢门)9mm,单舌12mm

D、双舌≥12.5mm,双舌(钢门)9mm,单舌10mm

  • A
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