| 1. | Bulk waste flap , infinitely forward and reverse travel drive , operating hour meter , patented filter shaker system , roller brush , side brush , suction fan cut - out , sweeping mechanism can be deactivated 浮动式边刷,可调整式主刷,大垃圾挡板,操作计时器,前进/后退档无级调速,吸入风扇切断装置,专利保护过滤器除尘系统,移动式尘箱,驾驶座椅控制机器启动安全装置。 |