英文關鍵字
area
attachment
billet
carrier
felled
felling
forest
forestry
glade
grab
haulage
hauling
industry
land
loader
loading
log
logged
logger
logging
lorry
lumber
management
opening
operations
place
plot
products
road
round
round-timber
roundwood
sector
site
stem
storage
stump
thumb
timber
timber-truck
track
tree-length
truck
trunk
wheel
wheel-mounted
wheeled
yard