nuptial chamber
林业
pimaric acid, dextropimaric acid
mill run
provenance, seed source;
“Three North ” protection forest;
α-cellulose
β-cellulose
γ-cellulose
afzelechin
gum arabic
arabinoglucuronoxylan
coppice forest
coppice method
dwarf mistletoe
saddle set, intermediate support
gum benzoin
dowel pin
stump extractor
brightness
white rot
white wax insect, pe-la insect
mud
white water
white charcoal
white liquor
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