Nhasi, boka remubato rinoshandiswa butterfly mavharuvhu rakapedzwa kugadzirwa, zvirevo zveiyi batch ye butterfly mavharuvhu ndeye DN125, iyo inoshanda kumanikidza ndeye 1.6Mpa, iyo inoshanda svikiro imvura, tembiricha inoshanda iri pasi pe80 ℃, iyo muviri zvinhu. inogadzirwa ne ductile iron,...
Verenga zvimwe