常见例句Shahejie formation of Paleogene is the most important source rock in Huimin sag which is divided into sub-sags of l,innan, Zizheng, Yangxin, Lizezheng. 古近系沙河衡組是惠民凹陷最重要的生油層系，該凹陷主要由臨南、滋鎮、陽信、裡則鎮等次級窪陷組成。 返回 Innan