First round
头轮 » First round 在过去的六年里,上海发生了巨大的变化而且市民都见证了这些变化 » In the past 6 years, Shanghai has undergone tremendous cha...
head pulley
... 机架(frame) 头轮(head pulley) 尾轮(tail pulley) ...
conformator
spark plug tire pump