Vim hais tias lub qhov loj me me, compression piv yog qhov siab, tag nrho cov khoom noj tawm tau tsawg.Peb lub tuam txhab tau txais qee cov txheej txheem tsim khoom tshwj xeeb, ua kom qhov qhib qhov feem pua ntawm lub nplhaib tuag.Tsis tas li ntawd, peb tuaj yeem kho lub nplhaib tuag raws li tus neeg siv khoom muab cov qauv thiab cov txheej txheem tsim khoom, uas ua rau cov khoom siv cw tau zoo heev.Piv txwv li, aperture 1.0, compression ratio 28-30, IDAH 530 nplhaib tuag tuaj yeem ncav cuag 3.5-4t / h