Shenhai Explosion-Proof
Preheating asphalt yooj yim nws hloov mus rau hauv cov khoom siv brewing, txhim khu nws fluidity.
Qhov kev nce ntxiv no tso cai rau cov asphalt nkag mus rau hauv qhov hws thiab crevices zoo dua, li no ho txhim kho nws cov peev xwm waterproofing.
Vim li cas Asphalt yuav tsum tau rhaub
Ua ntej: Gas tsim los ntawm cua sov asphalt
Tom ntej no: Dab tsi yog qhov cua sov ntawm asphalt