环形发动机
ring ring───戒指
engine───n.引擎，发动机；机车，火车头；工具
combustible engine───可燃发动机
diesel engine───n.柴油机；柴油机（等于diesel）
ring───n.戒指；环状物；圆形；圆形竞技场（或表演场）；炉口；（非法的）团伙；铃声；（鸟的）腿环；行星光环；环形护城工事；肛门；围成一圈的人（或物）；感觉；n.(Ring)（美、挪、德、爱、英、波、丹）林（人名）；v.打电话；发出铃声；回响；充满；嗡嗡作响；（通过按铃）要求服务；听上去（有某种印象）；报（时）；包围；圈起来
brainfish engine───脑鱼引擎
engine stop───发动机停止
airbreathing engine───吸气式发动机
petrol engine───汽油发动机；[动力]汽油机；柴油引擎；汽油（发动）机
The newly improved compressor with ring type radiate engine which is easy going , battery free, and with lowest maintenance cost.───改良的压缩机采用环形放射性引擎轻拖省油，且免用蓄电池并减少车辆负荷及保养费用。
He had helped to design the petrol engine, and plastics, and the ring pull can.───他曾经协助过设计汽油发动机，塑料和易拉罐。
The flywheel also has a large ring gear at its outer edge, which engages with a pinion gear on the starter motor during engine cranking.───在飞轮的外缘(压)有一齿环，在发动起动时，齿与起动机的驱动小齿轮啮合。