The speed per knot is 1.852 kilometers. 1 knot = 1 nautical mile/hour = 1.852 km/hour = 0.514444m/s. Vehicles on land, as well as ships on rivers, usually use kilometers (kilometers) per hour as their speed measurement unit, while the speed unit of sea sh

Air Transport of Goods, the English name is Identification and Classification Report for Air Transport of Goods, known as the air transport status identification report, commonly known as air transport identification or identification. So which goods need

I believe that cross-border sellers are familiar with international air freight and international express delivery, but many people think that these two are the same thing, and there is no specific distinction.