Lumber Keeb Kwm Txawm hais tias nws raug hu ua fir thiab zoo li tsob ntoo ntoo, Douglas Fir yog ib hom tshwj xeeb hauv Pacific Northwest. Niaj hnub no, Douglas Fir yog feem ntau pom hom ntoo moshauv Tebchaws Meskas.
Puas yog fir ib yam li Douglas fir?
Douglas fir, uas tau qee zaum hu ua Douglas ntoo, Oregon ntoo thuv, thiab Douglas spruce, tsis yog qhov tseeb fir, ntoo thuv, lossis spruce. … Douglas firs yog tsob ntoo ntsuab ntsuab, txhais tau hais tias lawv khaws lawv rab koob zoo li nplooj txhua xyoo.
Puas Douglas Fir yog ntoo zoo?
Douglas Fir yog ib hom ntoo zoo tshaj plaws pom niaj hnub no. Nws yog nyob rau sab hnub poob ntawm North America. Hom ntoo no tau siv dav rau cov ntoo thoob plaws ntiaj teb.
Douglas fir lumber siv rau dab tsi?
Douglas fir yog qhov ntsuas siab tshaj plaws ntawm tag nrho North American softwoods hauv ob qho tib si lub zog-rau-qhov hnyav piv thiab nruj. Cov khoom zoo no ua rau nws xaiv thawj zaug rau cov neeg cog lus siv ua framing rau cov tsevnrog rau cov khoom xws li txuas hniav thiab kev tsheb ciav hlau.
Koj tuaj yeem qhia tau li cas yog tias tus ntoo yog Douglas fir?
Hais txog qhov tsos, Douglas fir feem ntau muaj lub teeb xim av nrog kov ntawm liab lossis daj nyob rau hauv-nruab nrab ntawm kev loj hlob rings, txawm tias qhov tsos tuaj yeem dav nyob ntawm hnub nyoog thiab qhov chaw loj hlob.