The temperature differences between ingoing and outgoing streams of gases are higher , thus requiring more refrigeration.进出气流间的温差比较大, 因而需要较多的冷冻量.One, segregation nurses patient ingoing single room, decline visit.隔离护理患者迁入...
The grand piano has been replaced with a small, inelegant electric model.三角钢琴被代之以一架粗鄙的小电子琴。We used a crane to lift the piano into the theatre.我们使用起重机将钢琴搬进剧场.She is going to give a piano recital.她即将举行钢琴独奏会.The six finalis...