当航空公司接收到货物后，每件货物都会被标上航空运单号码以供识别。

When the shipment is received by the airline, each piece is marked with the air waybill number for identification.

youdao

当航空公司接收到货物后，每件货物都会被标上航空运单号码以供识别。

When the shipment is received by the airline, each piece is marked with the air waybill number for identification.

youdao