number of turns per inch

例句：

1. 1.The car has a number of turns to make before reaching the next intersection.
   这辆车在到达下一个十字路口之前需要经过多个转弯。
2. 2.The engineer calculated the number of turns required for the new bridge.
   工程师计算了新桥所需的转弯次数。
3. 3. The team had to make several turns around the track before crossing the finish line.
   队伍在赛道上绕了几个弯才冲过终点线。