inner fin tube内翅片管
inner punch tube deflation内胎降压
Inner inserted tube construction内插管结构
Inner Layer Tube内衬管
inner movable tube活动内筒
Inner Plastic Tube内塑管
inner cool tube内冷管
inner-tube内筒
spirally inner finned tube螺旋内肋管
N-COUNT（可数名词） An inner tube is a rubber tube containing air that is inside a car tyre or a bicycle tyre. 内胎