英文關鍵字
paper
production
control
line
symbol
plant
wood
chips
chemical
recovery
evaporator
pulp
make
linear
background
lined
refiners
cleaner
knotter
business
computer
cutting
equipment
drying
industry
manufacture
material
press
processing
transportation
conveyor
roll
cut
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
color