The middle oil-member is characterized by medium-sized sandstone and pebbled sandstone, with fair sorting and subangular sphaericity.Rock types mainly were feldspar debris sandstone.
中油
沉积中砂岩和含砾中砂岩，粒度整体较粗，分选性较好，磨圆度以次
角状为，岩石类型为长石岩屑砂岩。
角形的The middle oil-member is characterized by medium-sized sandstone and pebbled sandstone, with fair sorting and subangular sphaericity.Rock types mainly were feldspar debris sandstone.
中油沉积中砂岩和含砾中砂岩，粒度整体较粗，分选性较好，磨圆度以次角状为，岩石类型为长石岩屑砂岩。
声明：以上例句、词性分类均由
资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
