您要查找的是不是：
- Two and Four Stroke Engines: Fast and Simple Answers. 两冲程发动机和四:快速简单的答案。
- Advantages of four stroke engines: 四冲程引擎的优势:
- Components of a typical, four stroke cycle, DOHC piston engine. 四冲程循环活塞发动机的典型构成。
- four stroke engine 四行程发动机,四冲程发动机
- "Great Wall"brand four stroke motorcycle oil obtained JASO quality certificate,and specially formulated to meet the performance requirements of four stroke motorcycle engine. 长城"牌四冲程摩托车发动机油已获得JASO质量认证,能够满足四冲程摩托车发动机的特殊性能要求。
- M.Y.E.Selim, J.C.Dent and S.Das, “Application of CFDto the Maching of In-Cylinder Fuel Injection and Air Motion in a Four Stroke Gasoline Engine,” SAE Paper No. 971601. 戴良哲,“单缸引擎缸内流场边界条件建立以及三维数值模拟”,国立清华大学动力机械研究所硕士论文,1996。
- The golfer lost four strokes trying to get the ball out of the sand trap. 那个高尔夫球手花了四杆去打那落入沙坑的球。
- Air cooled, four stroke, single cylinder, SOHC, 2 valves per cylinder. 风冷，四冲程，单缸，单顶置凸轮轴，每缸2气门。
- The main specifications single cylinder,4 stroke engine,maximum horse-power 4.5,and a speed of up to 70 kph. 几个主要规格是: 四冲程单汽缸引擎、最高4.;5马力、最高时速达七十公里。
- The main specifications single cylinder, 4 stroke engine, maximum horse-power 4.5, and a speed of up to 70 kph. 几个主要规格是: 四冲程单汽缸引擎、最高4.;5马力、最高时速达七十公里。
- With a short pin a small crankcase volume is obtained which is generally considered to be an advantage in a two stroke engine. 与短脚的一小曲轴箱量是取得这是通常被视为一项优势，在一项为期两冲程发动机。
- Liquid cooled, four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. 液体冷却，四冲程，横向四缸，双顶置凸轮轴，4每汽缸阀门。
- The four strokes in the four-stroke-cycle engine, in their proper order, are intake, compression, power, and exhaust. 四冲程循环发动机中，四个冲程的固定顺序是：进气、压缩、作功和排气。
- Introduce the development trends of Chinese motorcycle industry,the feature and specification of four stroke motorcycle oil. 分析了中国摩托车工业的发展趋势,介绍了四冲程摩托车发动机油的特点和规格。"
- An engine which needs four strokes t complete one cycle is four-stroke cycle engine or, for short, a four-cycle engine. 发动机完成一个工作循环，需要四个行程，就称为四冲程循环发动机，或者简称四冲程发动机。
- The later Detroit two stroke engines had both a blower to make them run and a turbo for top end power. 更晚的底特律两冲程发动机使他们跑的一台吹风机和最高末端动力的涡轮机。
- Leaking crankshaft seals, no oil, base or head gasket leaks, or crankcase leaks on two stroke engines. 机轴密封不好，漏油，或者没油，底部或上部垫圈漏油，或者两个冲程发动机的曲柄轴箱漏油）
- With the hardware and software design, an ECU (electronic control unit) of two?stroke engines has also been developed. 进行了二冲程汽油机电控单元(ECU)的开发,完成了电控系统硬件与软件的设计。
- AGE and Shanghai Combustion Engine Quality Control& Testing Office jointly developed and commercialized a5 KW generator with four strokes and single cylinder combustion engine. 本公司同时与上海机械工业内燃机检测所合作研制成功“万民安”燃气单缸四冲程电控内燃机样机，以及5kw发电机组配套的商品化。
- In the medley relay, all four strokes are swum by four different swimmers. 在混合泳接力中，所有四种泳姿由四个不同的游泳运动员来游。
