Ingilazi eqinile ingeyengilazi yokuphepha.Ingilazi ethintwayo iwuhlobo lwengilazi ene-prestressed, ukuze kuthuthukiswe amandla engilazi, imvamisa isebenzisa izindlela zamakhemikhali noma ezingokomzimba, yenza ingcindezi ecindezelayo phezu kwengilazi, ibhere lengilazi langaphandle amandla angaphandle okuqala...
Funda kabanzi