Mainly developed are fan - delta, deep lake turbidite and calcirudite deposit, and also alluvial fan deposit in early period.
各时期形成的砂岩和粒屑灰岩
体,为油
提供了有利的场所。
Mainly developed are fan - delta, deep lake turbidite and calcirudite deposit, and also alluvial fan deposit in early period.
各时期形成的砂岩和粒屑灰岩体,为油提供了有利的场所。
声
：以上例句、词性分类均
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