two-stage leaching两: two段: section; segment; part; para ...浸出: infusion; leach; lixiviate两段浸出法: two-cycle leaching process二段浸出法: double leaching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:两段浸出,即可在微信中查询翻译