English version

inner tube

From Longman Dictionary of Contemporary English
Related topics: Motor vehicles
inner tubeˈinner tube noun [countable]  inner_tube.jpg TTCa rubber tube filled with air that is inside a tyre
Examples from the Corpus
inner tubeCut a 5/8in wide band of bicycle inner tube.The mix is pumped gently down the inner tube, out through the bottom and up the outer tube.The inner tube is negatively charged and the outer tube is made positive.
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