Air transport is the abbreviation of air transport, that is, air transport. Water transportation and sea transportation refer to water transportation. But now it is generally only sea transportation can be called shipping, the use of inland water transport is called water transport.
The difference between air and sea transportation
1. Different modes of transportation (reflected in many aspects such as customs declaration, customs declaration by sea is more cumbersome than customs declaration by air)
2. The freight is different (the freight per kilogram by sea is cheaper than that by air)
3. Different transportation time (air transportation is definitely faster than sea transportation)
4. Different carriers (limited by means of transport, sea and air transport have more things to transport)
5. Air transportation is an extension of sea transportation (in foreign trade, ocean transportation was first developed and then air transportation was developed)