manganese sandstone含: keep in the mouth锰: manganese砂岩: malmstone; sandstone锰砂岩: handite软锰砂: manganese dioxide in lump; pyrolusite ore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:含锰砂岩，即可在微信中查询翻译
