Keeb Kwm Ntawm Twin Ntsia Hlau Extrusion

Ntxaib Ntsia Hlau Extrusion, mus rau ntawm cov ntsia hlau khoom noj extrusion, yog thawj tsim los ntawm cov chaw tsim khoom noj nyob rau xyoo 1800 rau kev tsim cov hnyuv ntxwm. Cov txheej txheem khoom noj khoom haus kom pom cov txheej txheem ua ib txoj kev txhim khu kev qha rau cov pawg ntau lawm, thiab xyoo 1930s tau thov kom cov nplej zom qhuav thiab noj tshais. Sij hawm dhau los, cov kev siv rau cov zaub mov kom nthuav dav tau nthuav tawm, thiab thev naus laus zis los tsim ntau yam khoom noj khoom noj thiab cov duab tau txuas ntxiv ua ntej. Xyoo 1980s, ntxaib ntsia hlau Extruder, muab cov khoom noj muaj txiaj ntsig zoo dua thiab cov khoom noj uas muaj cov khoom noj uas muaj thiab cov khoom xyaw ua ke.