Cherechedza ndima iri pasi apa uye wozopindura mubvunzo unotevera mumutauro mumwechete sechikamu ichi: Passage: Chimwe chezvinhu zvakakosha zvinoshandiswa ne hydrochloric acid iri mukutsvaira simbi, kubvisa ngura kana simbi oxide scale kubva kune simbi kana simbi isati yaitwazve, yakadai sekudzvanya, rolling, galvanizing, uye dzimwe nzira. Technical quality HCl pa 18% yehutano ndiyo inowanzoshandiswa kushandiswa kwekugadzirisa kwekugadzirisa kwe carbon steel grades. Mubvunzo: Ndeipi muzana yehutano ndeye HCI kana inoshandiswa pakusarudza carbon steel grades?
18 muzana