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关注：1
2013-05-23 12:21
求翻译：Properly installed and maintained pervious pavement has a significant lifespan, and existing systems that are more than 20 years old continue to function. Because water drains through the surface course and into the subsurface bed, freeze-thaw cycles do not tend to adversely affect pervious pavement.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
Properly installed and maintained pervious pavement has a significant lifespan, and existing systems that are more than 20 years old continue to function. Because water drains through the surface course and into the subsurface bed, freeze-thaw cycles do not tend to adversely affect pervious pavement.
问题补充： |
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2013-05-23 12:21:38
正在翻译，请等待...
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2013-05-23 12:23:18
正在翻译，请等待...
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2013-05-23 12:24:58
适当地安装的和被维护的渗透路面有重大寿命，并且是超过的现有系统20年继续起作用。 由于水漏通过表面路线和入表层下床， freeze-thaw周期不倾向于有害地影响渗透路面。
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2013-05-23 12:26:38
正确地安装和维护透水路面有重大的使用寿命，和超过 20 岁的现有系统继续发挥作用。因为水排水渠通过表面的课程和入地下床、 冻融循环不倾向于对透水路面产生不利影响。
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2013-05-23 12:28:18
正在翻译，请等待...
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