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  • The traditional hot patching construction in low temperature and rain due to climate, unable to meet the high grade highway rapid repair requirements. Therefore, the pit repair technology needs to meet the requirements of fast, timely and all-weather. The cold filling material has the advantages of fast construction speed and simple operation, which can meet the requirements of pit and groove repair in winter and rain and snow weather.


    Immediate inquiry
    010-67893003
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  • 免费人成在线看视频,XXX免费国产在线视频,无码av永久免费专区,中文字幕无码亚洲一本大道在线

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