Tus Neeg Sawv Cev Khoom Siv Ntau Dua
Cov neeg sawv cev siv tau siv los txo cov pob zeb pob zeb tsawg dua. Ob hom khoom siv nthuav tawm tam sim no siv: ib qho raws li cov calcium sulphoaluminate, qhov sib ntxiv yog cov kua qaub tuag. Qee cov qauv lag luam yog cov kev sib txuas ntawm ob daim ntawv nthuav dav no.
Hauj lwm lawm
Tus neeg sawv cev nthuav dav
Cov neeg sawv cev siv tau siv los txo cov pob zeb pob zeb tsawg dua. Ob hom khoom siv nthuav tawm tam sim no siv: ib qho raws li cov calcium sulphoaluminate, qhov sib ntxiv yog cov kua qaub tuag. Qee cov qauv lag luam yog cov kev sib txuas ntawm ob daim ntawv nthuav dav no. Raws li qhov ntau npaum li cas ntawm cov kev nthuav dav no feem ntau me me, lawv tau diluted nyob rau hauv qhov tseeb ntau ntawm Portland cement thiaj li yuav txo tau cov txiaj ntsig ntawm kev ua yuam kev ntawm qhov ntau npaum. Thaum siv tus neeg sawv cev nthuav dav, nws yog qhov tseem ceeb heev uas yuav tsum tau ua kom cov dej hauv tsev kho mob kom ntseeg tau tias yuav muab cov dej kom tsim nyog rau tus neeg sawv cev nthuav kom tau txais qhov xav tau nthuav dav. Kev nthuav dav tau txais qhov tseem ceeb tsis yog tsuas yog nyob ntawm qhov ntsuas ntawm tus neeg sawv cev nthuav dav tab sis kuj nyob ntawm qhov ntsuas kub thiab ua kom zoo dua ntawm cov dej curing. Kev siv cov neeg sawv cev nthuav dav yog yooj yim heev thiab muaj txiaj ntsig zoo, muab cov dej txau rau zoo yog thov rau pob zeb thiab qhov kub tsis txias dhau.
Ntim
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