Rau luv luv 2-3 teev, qhua tuaj xyuas thiab tsim kom muaj kev sib haumxeeb hauv Longfian thiab peb cov khoom, thaum uas lawv ua qhov tso nyiaj rau ntawm qhov chaw mus rau theem ua haujlwm ntxiv.Koj yuav tsum xav paub seb yam khoom zoo nkauj li ntawd, uas yog siab ntws oxygen concentrator, thov rau tsev kho mob, 20/30/40/50 / 60L / min. qauv. Lawv tsim nyog rau tsev kho mob me me nrog 10-40beds.
