这是旅游的常用语，双卧是指往返两趟交通都是火车卧铺。也有单卧之类的说法，表示一趟是火车。
额外加收rmb100每房每晚，升级至高级海景双卧套。
Add RMB100net per room per night to be upgraded to Superior Ocean View Suite.
利用正交试验，对双卧轴搅拌机搅拌装置的结构参数进行了研究。
Based on orthogonal test, structural parameters of mixing mechanism for twin shaft mixer are researched.
本文在对双卧轴搅拌机工作装置参数理论分析的基础上，设计了试验样机。
On the basis of theory analysis of the working device's parameters about the twin-shaft mixer, the paper designed a twin-shaft mixer for test research.
应用推荐