timer rate control

• 时间比控制

timer rate control的用法和样例：

例句

1. You have to put the burnt-out ratio control in flammable materials flammability range.
   必须要把燃空比控制在易燃材料可燃极限的范围内。
2. The wall film generated by the impinging sprays is the main reason of air-fuel ration control deviation under transient conditions.
   摘要由喷射燃油撞壁产生的进气道内油膜是导致过渡工况空燃比控制偏差的主要原因。