an inner tube

• （轮胎的）内胎

an inner tube的用法和样例：

例句

1. The die-swell behaviour of tube compound under the experimental conditions was investigated by capillary rheometer.
   用毛细管流变仪考察了内胎胶挤出口型膨胀行为。
2. It specializes in different kinds of radial truck tyres including tube type tyres and tubeless tyres.
   目前公司专业生产各种型号的有内胎载重子午胎，无内胎载重子午胎。