Daim ntawv thov thiab hom mortar mortar yog cov khoom siv hauv tsev uas yog siv los khi cib, pob zeb, thiab lwm yam masonry units ua ke. Nws feem ntau yog tsim los ntawm kev sib xyaw ntawm cov cement, dej, thiab xuab zeb, txawm hais tias lwm cov ntaub ntawv xws li txiv qaub thiab additives kuj tseem yuav suav nrog los txhim kho nws cov khoom ...
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