采用双速行走，效率高；并可设定不同的刮集行程，适用范围广。

USES double speed, high efficiency, Can set different scraping set itinerary, wide application scope.

youdao

采用双速行走，效率高；并可设定不同的刮集行程，适用范围广。

USES double speed, high efficiency, Can set different scraping set itinerary, wide application scope.

youdao