常見例句雙語例句In the paper, sodium nitrate was taken to be an oxidant in the process of roasting rich cerium rare earth carbonate mixture.對以硝酸鈉為氧化劑的富鈰混合碳酸稀土焙燒過程進(jìn)行了實(shí)驗(yàn)研究。 返回 sodium cerium carbonate