英文關鍵字
bark
billet
boss
branch
branchiness
camp
cat
cut
cutting
defects
double
extraction
eye
faults
felling
flaw
flaws
forest
forestry
halftimbers
harvest
harvesting
inbark
industrial
industry
limb
logging
lumber
management
norway
pith
precut
processing
purchasing
rectangular
round
roundwood
sawed
scab
scar
sector
snag
snub
spruce
stockpiling
stub
swirl
timber
tree
treefelling
wood
woodworking
wound