Argon serves as a shielding gas to protect metals from oxidation during welding . inert gas welding is the preferred method of joining several ferrous and nonferrous alloys 焊接中,氩作为保护气防止金属氧化。惰性气体焊接是连接几种含铁和不含铁的合金的首选方法。
不: a block of wood含铁: iron content的: 4次方是 The fourth power of 2 i ...不含铁的,非铁的: nonferrous不含铁的金属和合金: non ferrous metals and alloys含铁的: chalybeate; ferreous; ferrian; ferric; ferriferous; ferrous; ferrugineous; ferruginous; iron bearing; iron containing; iron-containing; ironbearing; siderous含铁的;加铁的: ferrated铁的,含铁的: ferreous铁的,含铁的,亚铁的: ferrous铁的,含铁的,三价铁的: ferric富含铁的: iron-rich含铁的砂: ferruginous sand不含铁金属;非铁金属: non-ferrous metal非铁金属;不含铁金属: non-ferrous metal铁的: ferreous; ferric; ferrous; ferrugineous; ferruginous; ironic含铁: iron content◇含铁合金 iron containing alloy; 含铁物 chalybeate; 含铁细胞 siderophore不含: wd铁的 三价铁的: ferric包铁的: iron bound; ironbound磁铁的: magnetic打铁的: a blacksmith低铁的: ferrous非铁的: nonferrous钢铁的: steely高铁的: ferric