By setting pavement waterproof course, make a guarantee both improvement road base stability and extend road life.

设置路面防水层，为增强道路基层稳定性、延长道路使用寿命提供了保证。

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We can not extend to the road of life, but it can be widened.

我们不能把人生之路延长，但可以把它扩宽。

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Life is a road, extend the footprint of the life and hope;

生活是一条路，延伸着人生的足迹和希望；

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