Kub xovxwm) molding siab

Moulding siab yog hais txog lub siab ntawm cov kab rov tav projected cheeb tsam ntawm cov khoom. Nws txoj haujlwm yog kom kov yeej lub vapor siab uas tsim los ntawm cov volatiles hauv cov khoom, zam qhov tsis xws ntawm cov khoom xws li npuas, stratification, thiab cov qauv xoob. Nyob rau tib lub sijhawm, nws tseem tuaj yeem ua kom cov khoom siv fluidity, kom cov khoom tuaj yeem sau tag nrho cov ces kaum ntawm cov pwm kab noj hniav thiab ua rau cov khoom tsim compact. , Cov neeg kho tshuab lub zog yog txhim kho.