英文關鍵字
angle
moving
technology
dust
housekeeping
domestic
brush
blue
electronic
wireless
sensors
hit
hitting
avoiding
obstacles
couch
household
housework
automatic
autonomous
concept
background
home
house
equipment
round
indoor
appliance
vacuuming
laminate
cleaning
black
interior
room
control
device
up
lift
smart
floor
modern
low
vacuum
robot
cleaner
leg
pull