一、蜂窝ÌA1©½W¯bbs.3c3t.comC
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(1)配合比计量不准,砂石级配不好;ÌA1©½W¯bbs.3c3t.comC
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(2)搅拌不匀;ÌA1©½W¯bbs.3c3t.comC
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(8)振捣时间不充分,气泡未排除。ÌA1©½W¯bbs.3c3t.comC
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二、麻面ÌA1©½W¯bbs.3c3t.comC
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(1)同“蜂窝”原因;ÌA1©½W¯bbs.3c3t.comC
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(2)模板清理不净,或拆模过早,模板粘连;ÌA1©½W¯bbs.3c3t.comC
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(6)振捣时间不充分,气泡未排除。ÌA1©½W¯bbs.3c3t.comC
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