常见例句雙語例句The conclusion is that the sedimentary environment of coal measures in Changyang area, Shuangyang basin is mainly fan delta and limnetic deposits.得出的結論是：雙陽盆地長嶺區煤系地層沉積環境主要爲扇三角洲沉積和湖泊沼澤沉積。chazidian.com 返回 limnetic coal