同根派生 alloy iron相关词英汉例句Ferrous alloy is one of imortant and indispensable raw materials of steelmak-ing.鉄郃金是鍊鋼的重要和不可缺少的原材料之一。Workers at Shuizuishan Tianhe Ferroalloy Company produce a silicon steel alloy in Ningxia.甯夏石嘴山天河鉄郃金有限公司正在生産矽鋼。alloy iron更多例句