steering head造句

• Trail : technically speaking , trail is a horizontal measurement from an imaginary point where a line through your bike ' s steering head meets the ground and then back to the front tire ' s contact patch
  回弹阻尼：当经过障碍后你的悬挂已经压缩时，回弹阻尼决定了悬挂延展的速度，并且确保轮胎与地面持续接触。