motor drive asphalt pump

例句：

1. 1. The new asphalt pump is designed to improve the efficiency of the road surface.
   这款新的沥青泵设计用来提高路面的效率。
2. 2.The construction crew used this motor-driven asphalt pump to pump the hot asphalt into the road.
   施工队使用这款动力驱动的沥青泵将热沥青泵入路面。
3. 3. The asphalt pump was crucial in maintaining the smooth flow of traffic on the busy highway.
   这个沥青泵在繁忙的高速公路上保持交通流畅中起到了关键作用。