基本解釋深海沉積物；深海堆積英漢例句雙語例句The Upper Triassic Formation is sub-abysmal basinal facies deposit in the south and north depressions. A black shale layer developed.上三疊統(tǒng)在南、北坳陷為次深海盆地相沉積，發(fā)育一套黑色頁巖烴源層；abysmal deposit更多例句專業(yè)釋義化學(xué)深海沉積物土木建筑工程深海沉積