单词	roller bearing
释义	roller bearing noun : a bearing in which the journal rotates in peripheral contact with a number of rollers usually contained in a cage — compare ball bearing [roller bearing: 1 outer race, 2 cage, 3 roller, 4 inner race]
随便看	cross of fourteen points cross of lorraine cross of malta cross of st. andrew cross of st. anthony cross of the resurrection crossopodia crossopt crossopterygia crossopterygian crossopterygii cross order cross or pile crossosoma crossosomataceous crossotheca cross-out test crossover crossover cross over crossover network cross over the line cross-ownership crosspatch cross peen

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