Post Date:27,Nov,2023 Retarder inowanzoshandiswa musanganiswa mukuvaka engineering. Basa rayo guru nderekunyatso kunonoka kuitika kwekupisa kwekupisa kwe simenti hydration, iyo inobatsira kune kureba kwekufambisa chinhambwe, tembiricha yepamusoro uye mamwe mamiriro ekongiri ...
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