Tilu prosés pikeun forging fittings pipe 1.Die forging Pikeun fittings pipe ukuranana leutik kayaning las stop kontak jeung threaded tees, tees, elbows, jsb, wangun maranéhanana anu kawilang pajeulit, sarta maranéhanana kudu dijieun ku paeh forging. The blanks dipaké pikeun paeh forging kudu digulung propil, su...
Maca deui