Flange pob qij txha yog cov khoom siv dav siv hauv kev tsim engineering.
Lawv yog cov khoom tseem ceeb hauv kev tsim cov kav dej, cov yeeb nkab fittings, thiab cov li qub, thiab tseem yog cov khoom tseem ceeb hauv cov khoom siv thiab cov khoom siv (xws li manholes, tsom iav, thiab cov ntsuas dej ntsuas).
Tsis tas li ntawd, flange pob qij txha feem ntau siv rau hauv lwm yam kev qhuab qhia xws li kev lag luam furnaces, thermal engineering, dej thiab dej ntws, cua sov thiab cua, thiab kev tswj tsis siv neeg.
