To keep the normal use of asphalt pavement, analyse the reason on basic crack for cement stable breakstone of the urban road, prate the method on prevention and cure.
分析城市道路水泥稳定碎石基层产生裂缝的原因，提出综合防治措施，以保证沥青混凝土路面的正常使用。
Pen walked on, listening to his companion's prate, wondering, amused, and puzzled.
潘一路走去，听他同伴喋喋不休，觉得又惊讶有趣，又有些困惑不解。
Pen walked on, listening to his companion's prate, wondering, amused, and puzzled.
潘一路走去，听他同伴喋喋不休，觉得又惊讶有趣，又有些困惑不解。
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