火山爆发指数 huǒshānbàofāzhǐshù Volcanic Explosivity Index Definitions Defs Origin Strokes Stroke Words Sentences Sents 火山爆发指数 火山爆發指數 huǒshānbàofāzhǐshù Volcanic Explosivity Index a scale that measures the relative explosiveness of volcanic eruptions
火山爆发指数 火山爆發指數 huǒshānbàofāzhǐshù Volcanic Explosivity Index a scale that measures the relative explosiveness of volcanic eruptions
