问题
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侧腭杆离开龈缘应A.8mmB.至少6mmC.4~6mmD.3~4mmE.1.5~2mm
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前腭杆宽为A.8mmB.至少6mmC.4~6mmD.3~4mmE.1.5~2mm
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前腭杆离开龈缘应A.8mmB.至少6mmC.4~6mmD.3~4mmE.1.5~2mm
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马蹄状腭板前缘离开龈缘应A.8mmB.至少6mmC.4~6mmD.3~4mmE.1.5~2mm
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舌杆应至少离开下颌前牙舌侧龈缘A.1~2mmB.3~4mmC.5~6mmD.7~8mmE.9~10mm
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舌杆应至少离开下颌前牙舌侧龈缘( )A.1~2mmB.3~4mmC.5~6mmD.7~8mmE.