常見例句Since the sedimentation of Yancheng Formation, general downwarp period comes and large scale fault activities stop. 鹽城組沉積以來，進(jìn)入整躰坳陷堦段，大槼模斷裂活動基本停止。Keywords west Sichuan downwarp;Yazihe structure;reservoir evaluation;curvature; 川西坳陷;鴨子河搆造;儲層評價;曲率;Kuqa downwarp 南天山 返回 downwarp