英文關鍵字
action
activity
analog
arm
backhoe
bulldozer
cabin
concept
contractor
control
controlling
crank
dig
digger
dredger
driver
excavator
finger
glass
hand
handle
hinge
hydraulic
inside
joystick
lever
loader
machine
machinery
manage
manually
move
operate
operator
push
scene
stick
through
tool
tracked
two
vehicle
view
window
windscreen
windshield
work
worker
workplace
workspace