single stage refining单: singular number fate; destin ...阶段: stage; phase; period; gradat ...熔炼: smelt; smelting; fusion; met ...过程: process; procedure; transver ...熔炼过程: smelting circuit下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:单阶段熔炼过程,即可在微信中查询翻译