Helderbergian翻譯，Helderbergian的意思，Helderbergian同義詞，Helderbergian的反義詞，Helderbergian短語詞匯

詞語：Helderbergian

Helderbergian的解釋

Helderbergian[,heldə'bə:ɡiən]n. [石油]赫爾德堡階

Helderbergian的意思

Helderbergian 赫爾德堡階;