1.Mortar 1) Kuvandudza kufanana, kuita kuti dhaka rive nyore kushanda, kuvandudza anti-sagging, kuwedzera fluidity uye pumpability, uye kunatsiridza kushanda zvakanaka. 2) Kuchengetedzwa kwemvura yakakwira, kurebesa nguva yekudira dhaka, kunatsiridza kushanda zvakanaka, kufambisa hydration yedhaka, uye kuburitsa yakakwira mechini simba deg ...
Verenga zvimwe