Calculations of dimensional weight are based on the international air transport association iata volumetric standards subject to change without notice 体积重量按照国际航空运输协会iata体积测定标准计算如有更改，恕不另行通知。
2.
Calculations of dimensional weight are based on the international air transport association ( iata ) volumetric standards ( subject to change without notice ) 体积重量按照国际航空运输协会( iata )体积测定标准计算（如有更改，恕不另行通知） 。
