短语词组短语aerostat gasbag 气囊Gasbag Settings 气囊设置gasbag buffer 气体缓冲器transparent gasbag 透明气囊hoisting gasbag 顶升气囊gasbag midwifery 气囊助产Gasbag dilation 气囊扩张术Vacuum Gasbag 真空气囊Oxygen gasbag 氧气囊 返回 gasbag