The reason we have grooves in an aircraft tire at all is because we need to evacuate water if we were to land on a wet surface.

飞机轮胎上有凹槽就是因为，如果我们着陆在潮湿的地面，就需要进行排水。

She's in charge of Goodyear's aircraft tires, and she told us that airplane tires are inflated twice as much as truck tires and six times as much as a car's.

她负责固特异公司的飞机轮胎，她告诉我们，飞机轮胎充的气相当于卡车轮胎的两倍，汽车轮胎的六倍。