div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=c-chang7-aichang10-straligraphic-distribution-chatacteristicshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: 矿业报 · chang7 —Ichang10 straligraphic distribution chatacteristics in Ordos Basin preliminary proved that the chang7 and the chang9 have good exploration deployment loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsusreader034viewer20220428075f7715d7e272f75230754dabhtml5thumbnails1jpg width=140 height=200 divdiv