Qhov no yog lub chaw tsim khoom ntawm refractory ntau lawm nyob rau hauv lub teb chaws, cov khoom tseem ceeb ntawm cov khoom castable rau thoob ntiaj teb kev lag luam.Raws li qhov xav tau ntawm kev sib xyaw ua ke zoo, peb cov neeg siv khoom hloov pauv cov qub European mixers nrog peb cov khoom siv siab, txij li nws thawj zaug hloov hauv 2015, lawv tau nthuav dav 4 cov kab ntau lawm rau cov khoom sib txawv ntawm cov khoom castable.
Xa koj cov lus rau peb:
Post lub sij hawm: Jun-11-2020