Smooth roller bar 光滑压辊
smooth roller and teeth roller 光辊和齿辊
smooth-wheeled roller 光轮压路机
smooth drum vibratory roller 振动平碾
They clear and fill the holes, then use a roller or whacker to smooth the surface.
BBC: Jetpatchers at work
应用推荐
模块上移
模块下移
不移动
