机身带有吸尘口，可外接吸尘器，弹簧底座使吸尘罩保持与地面紧密接触，确保有效到吸除产生的粉尘。
Sprung mountings ensure that the suction housing of the machine remains in close contract with the work surface, thus ensuring effective dust removal.
主伞的顶部开有“天窗”，“天窗”的上端罩有副伞，副伞的上端压有弹簧。
The main umbrella has trap door on the top, the secondary umbrella covers the trap door, and the spring presses the secondary umbrella.
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