英文關鍵字
1920x1080
25fps
25p
axle
clip
cycle
engineering
equipment
footage
force
grass
grease
industrial
industry
lube
lubricant
lubricate
machine
machinery
mechanical
mechanism
metal
mounting
object
old
part
pipe
rotate
rotation
round
running
rusty
shaft
spin
stain
steel
technical
technician
technology
tool
transmission
turn
video