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二、麻面%s8Æèjbbs.3c3t.comÁqC#þ:
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(1)同“蜂窝”原因;%s8Æèjbbs.3c3t.comÁqC#þ:
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(2)模板清理不净,或拆模过早,模板粘连;%s8Æèjbbs.3c3t.comÁqC#þ:
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(6)振捣时间不充分,气泡未排除。%s8Æèjbbs.3c3t.comÁqC#þ: