英语词汇“pottsville age”的翻译、意思、用法、释义-英汉汉英词典

单词	pottsville age
释义	Pottsville age波兹维期｛石炭纪晚期｝Pottsville age波茲維期｛石炭紀晚期｝地球科學名詞
随便看	null position null position in phase null position voltage null potentiometer null process nullpunkt null ray null reading method null record null recurrent state null reference null reference system null representation null ring nulls null sequence null set null setting null-setting device null sharpness null-shift method null space null-space null sphere null state