A film of pyrites was discovered on the interface of Lower Sinian Sidingshan Formation and Fengtai conglomerate , at Sishilichangshan Mountains in the south margin of the North China Block.是什么意思_A film of pyrites was discovered on the interface of Lower Sinian Sidingshan Formation and Fengtai conglomerate , at Sishilichangshan Mountains in the south margin of the North China Block.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句