Learning how to change a bicycle tire and tube is one of the most common and easiest repairs you can do on your own.
学习如何改变一个自行车轮胎，管是一种最常见和最简单的维修，您可以自己做。
2
Ride on the tube of the bicycle.
骑于自行车上管之上。
3
The application of domestic IIR1751 in air bladder, diaphragm and inner tube of bicycle tire was investigated by using imported product IIR268 as reference.