The parents pay the gestational carrier's medical bills. The fee paid to the carrier is often around $20, 000; for carrying twins it can be $3, 000 to $5, 000 higher.
The passenger could change to a later flight or change carrier or refund ticket in accordance with the carrier's regulations.
旅客误机后，须按承运人有关规定，办理改乘后续航班，改变承运人或退票。
3
A kind of angular rate sensor for rotating carrier is designed and manufactured. This sensor is driven by carrier's rotation and used for sensing angular rate of pitching of rotating carrier.