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关注：1
2013-05-23 12:21
求翻译：4、抗渗性能强，较一般水泥提高四倍；是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
4、抗渗性能强，较一般水泥提高四倍；
问题补充： |
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2013-05-23 12:21:38
4, strong impermeability, increased by four times than the average cement;
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2013-05-23 12:23:18
4, Infiltration resistance, with a general cement increased 4 times.
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2013-05-23 12:24:58
4th, impervious performance, the common cement enhances four times;
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2013-05-23 12:26:38
4, strong permeability, instead of the usual cement increased four times times;
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