2016-07-19
1, nauyi mai sauƙi, sauƙin jigilar kayaPVC-u bututu don kawai karfe da bututun ƙarfe 1/5, 1/3 na kankare. Bututu yana auna kusan girman iri ɗaya, tsayi ɗaya na bututun simintin ƙarfe na nodular 1/4, 1/10 na kankare. Don haka, dacewa da saukewa da saukewa, yana rage farashin sufuri 1 / 2-1 / 3. 1, babu guba, babu sakandare