Offset transitioning or reducing duct. Type of transition can be specified.偏移过渡或渐缩管道. 可指定过渡类型....a big air duct in the ceiling.天花板上巨大的通风管道The entire extrahepatic bile duct can not be visualized in all cases.结果:所有的患儿均未见到完...
In acoustics he studied the propagation of sound and musical consonance and dissonance.在声学中,他研究了声的传播和音乐的和谐与不和谐.The auditorium has comfortable seating and modern acoustics.礼堂里有舒适的座椅和现代化的音响设备.Master degree, majoring in ele...