Kev nthuav dav ntawm kev siv thev naus laus zis pneumatic yog lub cim ntawm kev txhim kho ntawm kev lag luam pneumatic.Kev siv cov khoom siv pneumatic feem ntau yog nyob rau hauv ob yam: kev saib xyuas thiab kev sib txuam.Nyob rau hauv lub dhau los, domestic pneumatic Cheebtsam yog tsuas yog siv rau kev kho.Nyob rau hauv xyoo tas los no, kev muag khoom ntawm kev txhawb nqa ncaj qha rau cov khoom tseem ceeb tau nce xyoo los ntawm xyoo.Pneumatic thev naus laus zis tau "nkag mus" txhua qhov chaw ntawm lub neej thiab nthuav dav txhua hnub.
Txawm hais tias kuv lub teb chaws pneumatic kev lag luam tau mus txog ib qho kev ntsuas thiab qib kev, muaj qhov sib txawv loj piv nrog rau qib siab thoob ntiaj teb.Tus nqi tso tawm ntawm kuv lub teb chaws cov khoom pneumatic tsuas yog 1.3% ntawm lub ntiaj teb cov khoom tsim tawm, tsuas yog 1/21 ntawm Tebchaws Meskas, 1/15 ntawm Nyiv, thiab 1/8 ntawm lub teb chaws Yelemees.
Hais txog ntau yam, ib lub tuam txhab Japanese muaj 6,500 ntau yam, thiab kuv lub teb chaws tsuas muaj 1/5 ntawm nws.Kuj tseem muaj qhov sib txawv dav hauv cov khoom ua tau zoo thiab qib zoo.Raws li kev siv tshuab pneumatic tau nce ntxiv hauv kev sib dhos tsis siv neeg thiab tsis siv neeg ua cov khoom me me thiab tshwj xeeb hauv ntau qhov kev lag luam, kev ua tau zoo ntawm cov khoom qub pneumatic yog niaj hnub txhim kho.Ntau yam ntawm cov khoom siv pneumatic yog nce zuj zus ib hnub.
Post lub sij hawm: Jan-15-2022