closed marginal geosyncline的意思|示意

美 / / 英 / /

封闭陆缘地槽

封闭陆缘地槽 ... 地槽封闭 geosyncline close 封闭陆缘地槽 closed marginal geosyncline 封闭式金属线槽敷设 MR ...

闭绿大地槽 ... 闭角石 Phragmoceras 闭绿大地槽 closed marginal geosyncline 闭珊瑚 Pycnactis ...