double tread tire两: two道: road; way; route; path接触面: contact surface; surface in ...的: 4次方是 The fourth power of 2 i ...轮胎: tyre; shoe下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:两道接触面的轮胎,即可在微信中查询翻译