英文關鍵字
automatic
automation
background
bark
bio
biomass
boiler
brown
business
closeup
commercial
continuous
cut
detail
dried
drip
eco
energy
environment
equipment
feed
fiber
fuel
heap
heating
house
industrial
industry
load
lumber
material
mechanical
mechanism
moving
natural
organic
pile
power
saw
sawdust
sawmill
shaving
special
timber
wood
woodchip
wooden