四川盆地东北部元坝地区中三叠统雷口坡组四段古岩溶特征及其油气地质意义
사천분지동북부원패지구중삼첩통뢰구파조사단고암용특정급기유기지질의의
Paleokarstification in carbonates of 4th Member of Middle Triassic Leikoupo Formation in northeastern Sichuan basin and its petroleum geological significance
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