Cov pob ntseg niaj hnub tau tsim los ntawm CEENTA ENT tus kws kho mob Beverly Armstrong, MD hauv xyoo 1954. Kev mob pob ntseg yog ib qho kev cai rau cov menyuam mos thiab menyuam yaus thaum muaj hnub nyoog tsib xyoos, ze li txhua tus menyuam yaus tau ntsib yam tsawg kawg ib.
xyoo twg lawv pib tso tub rau hauv pob ntseg?
Thawj lub pob ntseg tau tsim nyob rau hauv 1845 los ntawm German kws tshawb fawb Gustav Lincke thiab Martell Frank, thiab txog li ib nrab lub kaum os qauv tau qhia los ntawm 1875 siv cov khoom sib txawv, suav nrog kub, nyiaj., aluminium thiab roj hmab.
Leej twg invented grommets?
txhawm rau taug qab ib qho khoom me me tab sis qhov tseem ceeb tsim, tshwj xeeb, los pab peb txuas nrog peb lub ntiaj teb digital, peb tig mus rau Doug Mockett-ntau yam tsav cov neeg tsim khoom, ua lag luam, thiab cov rooj tog zaum pom kev. Nws lub tuam txhab muaj npe nyob hauv Manhattan Beach, California pib nrog nws qhov kev tsim khoom ntawm EDP grommet.
Ntev npaum li cas cov hlab ntsha tuaj yeem nyob hauv koj pob ntseg?
Feem ntau, lub pob ntseg nyob hauv lub pob ntseg rau plaub mus rau 18 lub hlis thiab tom qab ntawd poob tawm ntawm nws tus kheej. Qee zaum, lub raj tsis poob tawm thiab yuav tsum tau phais. Qee zaum, lub pob ntseg pob ntseg poob sai dhau, thiab lwm qhov yuav tsum tau muab tso rau hauv lub pob ntseg.
hnub nyoog li cas lawv tso cov hlab hauv pob ntseg?
Koj tus menyuam kuj yuav muaj kev pheej hmoo ntau dua rau pob ntseg yog tias lawv mus saib xyuas hnub. "Cov menyuam yaus uas xav tau pob ntseg feem ntau yog tsawg dua 3 xyoos," Dr. Liu hais."Zoo hmoo, cov menyuam yaus feem ntau yuav kis qhov teeb meem no thaum lawv lub cev tiv thaiv kab mob thiab pob ntseg paub tab.
