用途: 用作氧化铕的原料.Uses: as the raw material of manufacturing europium oxide.采用电解的方法将三价铕还原成二价.It is to reduce Eu 3 + into Eu 2 + with electrolyzation method.用途: 作提取钐. 铕. 0单一氧化物的原料.USES: As raw material in extracting single oxi...
The constables made a desultory attempt to keep them away from the barn.警察漫不经心地拦着不让他们靠近谷仓。There were also constables appointed to keep the peace.城里也有被派来维持治安的基层警员.We have put six constables on that particular assignment.我...
This system has universality, expedience to use, and expansibility in practice.该系统在使用中具有广泛性 、 高效性 、 使用方便性和可扩展性.Moral convictions must out - weigh expedience and buck passing.道德的信念必须重于权宜之计和逃避责任.The true danger is when lib...
The defect detracts greatly from the value of the vase.这瑕疵大大地降低了花瓶的价值。The ugly detracts from the beauty of the famous picture.难看的框子减损了这幅名画的美丽.That scandal he was involved in before detracts from his glorious achievement....