Nekuwedzera kuri kuita kudiwa kwekuvaka zvivakwa, kuvaka maindasitiri uye mapurojekiti ekuvaka ebhizinesi pasi rose, kusarudzwa kwesimbi yekuvaka kwave kwakakosha pakuchengetedza mapurojekiti, kugara kwenguva refu, uye kushanda zvakanaka kwemari.ASTM A992 Beam reSimbiuyeASTM A572 Danda reSimbindiwo maviri emhando dzesimbi dzinonyanya kufarirwa dzinoshandiswa muNorth America uye ndiwo anonyanya kusarudzwa pakushandisa danda reH uye simbi dzinoshandiswa pakuvaka.
Nguva yekutumira: Chikunguru-09-2026