英文關鍵字
preparation
automatic
device
producing
pet
bottles
factory
automated
automation
belt
bottling
business
cap
capping
chemical
container
conveyor
empty
environment
equipment
fill
indoor
industrial
industry
inside
labour
lids
line
machine
machinery
manufacture
manufacturing
material
move
nobody
nopeople
pattern
placing
plant
plastic
production
productivity
repetition
rows
technology
texture
traveling
water
work
workpiece