It has a two-layer structure, i. e. braid-river delta plain subfacies and braid-river delta front subfacies.是什么意思_It has a two-layer structure, i. e. braid-river delta plain subfacies and braid-river delta front subfacies.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句