英文關鍵字
automatic
automation
bengal
business
coating
control
conveyor
cup
cups
distribution
engineering
equipment
extruder
extrusion
factory
india
industrial
industry
inside
kolkata
line
logistics
machine
machinery
machines
making
manufacture
manufacturing
move
operation
paper
plant
polyethelene
process
product
production
roller
rolling
running
send
speed
system
technology
unit
view
west
work