1.They billeted in White Swan Hotel.

1.他天鹅旅社住下了。

2.Soldiers were billet ed in all the houses of the village.

2.士兵被分配到全村的老百姓家里住宿。

3.He billeted in youth hotels.

3.他投宿于年旅馆。

4.The exploratory testing study of modifying and fining the solidification structure of concast steel billet is carried out in concast production by the technology of electro-pulse modification.

4.生产中利用电脉冲孕育处理技术,开展改善和细化凝固组织的试验研究。