機器
automatic
bag
blowing
color
control
equipment
extruder
extrusion
factory
film
hdpe
industrial
industry
install
machinery
maintenance
making
manufacturer
manufacturing
material
moulding
operate
operator
part
plant
plastic
polyethylene
process
producer
product
production
roll
roller
running
sheet
standard
supplier
technician
technology
tool
wheel
white
worker
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