Iron-chromium-aluminiomu ati nickel-chromium electrothermal alloys ni gbogbogbo ni agbara ifoyina agbara, ṣugbọn nitori ileru ni ọpọlọpọ awọn gaasi ninu, gẹgẹbi afẹfẹ, bugbamu erogba, afẹfẹ sulfur, hydrogen, bugbamu nitrogen, bbl Gbogbo wọn ni ipa kan.Botilẹjẹpe gbogbo iru elec...
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