manganese dioxide in lump是什么意思 manganese dioxide in lump在线中文翻译

manganese dioxide in lump

中文翻译
1
软锰砂
相关单词
manganese dioxide in lump

相关单词辨析

scratch: 抓伤;
bruise: 擦伤
bump/lump: 碰伤肿块;
cut: 割伤;
burn: 灼伤;