Flange Vuam Zoo

Raws li cov hlau phaj vuam flanges, ntau tus neeg siv khoom nug seb qhov zoo ntawm cov hlau phaj vuam flanges zoo dua li forged vuam flanges. Qhov tseeb, qhov zoo ntawm cov hlau phaj vuam flanges zoo ib yam li ntawm forged vuam flanges, tab sis dab tsi tsis tau lees paub txog hlau phaj vuam flanges? Ntawd yog, cov khoom siv ntawm cov hlau phaj vuam flanges yog qhov tsawg tshaj plaws, vim tias nyob rau hauv cov txheej txheem dav dav, qhov ntom ntawm hlau phaj vuam flanges tsis yog ib qho teeb meem, tab sis nyob rau hauv cov txheej txheem ntau lawm, qhov seem ntawm hlau phaj vuam flanges tsis tshua muaj kev sim, yog li cov khoom ntawm hlau phaj vuam flanges uas tsis tau kuaj tom qab ntau lawm tsis tuaj yeem lav.