研制能够做到快速修补并且价格低廉的路面裂缝修补剂，对于道路的养护和维修有着非常积极的价值和意义。
It is very valuable and meaningfully to develop crack sealing material for road maintaining and repairing, which can repair the road quickly and cheaply.
研制能够做到快速修补并且价格低廉的路面裂缝修补剂，对于道路的养护和维修有着非常积极的价值和意义。
It is very valuable and meaningfully to develop crack sealing material for road maintaining and repairing, which can repair the road quickly and cheaply.
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