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关注：1
2013-05-23 12:21
求翻译：发泡剂用量较小时（0.25%、0.20%和0.15%），混凝土平均容重7.5Mpa, 密度等级满足B10要求，强度等级满足A7.5。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
发泡剂用量较小时（0.25%、0.20%和0.15%），混凝土平均容重7.5Mpa, 密度等级满足B10要求，强度等级满足A7.5。
问题补充： |
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2013-05-23 12:21:38
Blowing agent dosage is small (0.25%, 0.20% and 0.15%), average bulk density of the concrete <1030kg m3, 28d compressive strength> 7.5mpa density levels meet b10 requirements, strength to meet the a7.5.
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2013-05-23 12:23:18
Styrofoam usage hours (0.25 %, 0.20 % and 0.15 % on average), concrete interral <1030 kg m3 and 28D Mpa compressive strength >7.5 density ratings meet B 10 strength requirements, meet A 7.5 .
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2013-05-23 12:24:58
The foaming agent amount used is small when (0.25%, 0.20% and 0.15%), concrete average bulk specific gravity <1030kg m3,28d compressive strength >7.5Mpa, the density rank satisfies the B10 request, the intensity rank satisfies A7.5.
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2013-05-23 12:26:38
Vesicant dosage is low (0.25%, and 0.15%), average weight of concrete compressive strength of <1030kg m3,28d >7.5Mpa, density level B10 requirements are met, strength meets A7.5.
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2013-05-23 12:28:18
正在翻译，请等待...
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