短语词组短语Pinch it out 掐指一算lithological pinch -out 岩性尖灭pinch -out of updip sandstone 砂岩上倾尖灭pinch h out 两个手指放开stratal pinch -out 地层尖灭lithologic pinch out trap 岩性尖灭圈闭lithologic pinch out 岩性尖灭 返回 pinch out