ignition unit造句

• ( 2 ) lpg engine performance due to various factors such as different type mixing unit , structural parameter of engine , ignition unit , a / f , as well as combustion characteristic et al . are experimentally investigated into
  ( 2 )实验研究混合气供给方式、发动机结构参数、点火系统、混合气空燃比、燃烧特性等因素对lpg发动机性能的影响。