基本解釋[地球科學]下三疊統(tǒng)英漢例句雙語例句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.長江中下游中三迭統(tǒng)層狀—層控型鐵礦床，曾被傳統(tǒng)地視為典型的接觸交代型礦床。lower triassic series更多例句詞組短語短語lower and middle triassic series 下中三疊統(tǒng)lower triassic series更多詞組專業(yè)釋義地球科學下三疊統(tǒng)