常見例句雙語例句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(qū)煤系地層沉積環(huán)境主要爲扇三角洲沉積和湖泊沼澤沉積。chazidian.com 返回 limnetic coal