potassium ethyldithiocarbonatepotassium xanthatepotassium xanthogenate黄: yellow原: primary; original; former酸: acid钾: potassium乙基黄原酸钾: ehtyl potassium xanthate; ethyl potassium xanthate; potassium ethyl xanthate; potassium ethyl xanthogenate下载手机词典可随时随地查词查翻译