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。
In the meantime, the matching about catalytic converter with two stroke and four stroke motorcycle is discussed.
同时讨论了催化转化器与二冲程、四冲程摩托车匹配的问题。
What is the difference between a two-stroke and a four-stroke engine? Most chain saws and boat motors use two-stroke engines.
二冲程和四冲程发动机的区别：大多数链锯和摩托艇使用的是二冲程发动机。
Less costly to manufacture than four-stroke engines.
比四冲程发动机制造成本更低。
The aircraft is powered by a 360hp air-cooled, four-stroke, petrol (gasoline) piston engine.
飞机由一台360马力风冷、四冲程汽油活塞发动机提供动力。
This paper introduces the design of valves of four-stroke motorcycle engines and relating problems on material selection and their influences on engine performances.
本文介绍了四冲程摩托车发动机气门设计和选用材料的有关问题，及对发动机性能的影响。
This paper presents the refit methods for both supercharged and unsupercharged four-stroke diesel engines.
本文分别介绍了自然进气四冲程柴油机和四冲程增压柴油机的改装方案。
In line with the national standard GB2820, the use of industrial diesel, four-stroke, turbocharged.
符合国家GB2820标准，使用工业柴油，四冲程，涡轮增压。
This paper introduces the idling matching test about MCEFI motorcycle electronic fuel injection system for four-stroke engines.
本文介绍了自行研发的四冲程摩托车汽油机用MCEFI电喷系统在发动机怠速工况的匹配研究。
The operating principle of internal-combustion engine mode is similar to the four-stroke internal combustion engine, so it will inevitably produce harmful emissions.
内燃机模式的工作原理与普通四冲程内燃机相同，因此不可避免的也会产生有害排放物。
The engine is four- stroke, air-cooled gasoline engine which is started by rebound starter and it can transmit smoothly without energy loss.
发动机为四冲程空冷汽油机，靠反弹式起动器启动。
Most automotive engines operate on four-stroke principle.
大多数汽车发动机是以四冲程原理工作的。
Based on the working principle of the four-stroke engine, we model the four-cylinder gasoline engine using bond graph technique.
基于四冲程发动机的工作原理，用键合图对一四缸汽油机进行了建模。
In this paper, the mathematical model of in-cylinder working process is deduced according to in-cylinder working characteristic of four-stroke direct injection diesel engine.
本文根据直喷式四冲程柴油机缸内工作过程特点推导出描述柴油机缸内工作过程的数学模型。
Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.
运用声强测试技术的双传声器法原理，对一台车用汽油发动机在半消声室内进行了声强测量。
Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.
运用声强测试技术的双传声器法原理，对一台车用汽油发动机在半消声室内进行了声强测量。
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