短語(yǔ)詞組短語(yǔ)cement concrete pavement cracks 水泥混凝土路面裂縫pavement cracks detection 道路裂縫識(shí)別concrete pavement cracks 混凝土路面分縫asphalt pavement cracks 瀝青路面裂縫cracks on pavement 路面開裂fatigue cracks in pavement 疲勞開裂reflective cracks of pavement 路面反射裂縫 返回 pavement cracks