英文關鍵字
automate
automation
belt
cellophane
chemical
closeup
conveyor
cover
egida
empty
equipment
factory
foam
indoor
industrial
industry
insulate
insulation
large
line
machine
manufacture
manufacturing
modern
motion
move
new
object
plant
plastic
polyethylene
polystyrene
polythene
production
robot
roll
rubber
russia
space
steel
technology
twist
white
wind