A . 双舌、钩舌≥12.5mm,双舌(钢门)9mm,单舌12mmB . 双舌≥12.5mm,双舌9mm,单舌12mmC . 双舌≥11mm,双舌(钢门)9mm,单舌12mmD . 双舌≥12.5mm,双舌(钢门)9mm,单舌10mm
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