bicycle ball是什么意思

网络释义

1)bicycle ball,车铃2)fire engine bell,救火车铃3)handlebar bell,自行车铃4)bicycle bell cap,自行车铃盖5)bicycle bell,自行车铃铛6)bicycle bell,自行车车铃

Three-dimensional parameterization design for bicycle bell cap compound die;

自行车铃盖复合模三维参数化设计