vanadium sesquisulfidevanadium trisulfide三: three硫化: vulcanization; vulcanizing二: two钒: vanadium五硫化二钒: vanadium pentasulfide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:三硫化二钒,即可在微信中查询翻译