常见例句Keywords marine volcanic rocks aulacogen impactogen Huili-Dongchuan area; 海相火山岩;坳拉槽;撞击裂谷;会理-东川地区;Keywords Rift;Arcuate structure zone;Impactogen;Hydrocarbon accumulation.; 关键词裂谷;弧形构造带;碰撞谷;油气聚集; 返回 Impactogen