sulfonated-methyl brown coal磺: sulphur甲基: methyl; methylium; carbinyl; ...褐煤: lignite; lignitous coal; aza ...磺甲基丹宁: sulfonated methyl tannin磺甲基化: sulfomethylated; sulfomethylation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:磺甲基褐煤，即可在微信中查询翻译
