total car ratio

例句：

1. 1. The company's total car ratio is 60%.
   该公司的总车比为60%。
2. 2.The traffic police have increased the total car ratio to control the congestion.
   交通警察已将总车比提高以控制拥堵。
3. 3.The total car ratio of the city has been reduced by 10% due to the new regulations.
   由于新的法规，该市的总车比已减少10%。