lower triassic series
常见例句
- The stratiform and strata-bound iron ore deposits in the Middle Triassic series in the lower reaches of the Yangzi River were formerly considered as simple contact-metasomatic ore deposits.
长江中下游中三迭统层状—层控型铁矿床，曾被传统地视为典型的接触交代型矿床。 返回 lower triassic series