ahead ignition cam的意思|示意

正砗点火凸轮 ... 正常推力 normal thrust 正砗点火凸轮 ahead ignition cam 正砗排气凸轮 ahead exhaust cam ...

正车发火凸轮 ... 正车阀：ahead valve 正车发火凸轮：ahead ignition cam 正车惰性滑距：ahead reach ...

正伡点火凸轮 ... 正伡燃气涡轮机 ahead gas turbine 正伡点火凸轮 ahead ignition cam 正伡喷油凸轮 ahead injection cam ...