However, a two-stroke engine USES more gasoline and burns lots of oil, so it is far more polluting.
二冲程发动机使用更多的汽油，燃烧更多的燃料，所以产生更多的污染。
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。
You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.
在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。
A two-stroke engine has no moving valves, and the spark plug fires each time the piston hits the top of its cycle.
二冲程发动机没有移动的阀，火花塞每次点火活塞到达循环顶端。
How can you not love a two-door wagon that seats seven (a third row folded up from the floor) and has a two-stroke, three-cylinder engine?
作为一款两门旅行车却有7个座位(第三排座椅可以折叠)，而且它还装着两冲程的三缸发动机，我们怎能不喜欢它？
If it needs only two strokes to complete a cycle, it is called a two-stroke cycle engine or, for short, a two-cycle engine.
如果发动机完成一个工作循环，只需要两个行程，就称为两冲程循环发动机，或者简称两冲程发动机。
Why is the two-stroke engine widely used on board ship?
为什么是二冲程发动机被广泛使用在船上？
The vessel to be propelled by a single-acting two stroke supercharged cross head Diesel engine, acting to a fixed pitch propeller .
该船的主机为单作用，二冲程，带涡轮增压器的十字头柴油发动机，并且螺旋桨为定距桨。
In order to overcome the problems of overrun for the two-stroke engine, a freewheel device was fitted.
为了克服这两个问题的超支冲程发动机，一个飞轮装置安装。
By the time the crankshaft completes two revolutions, each cylinder in the engine will have gone through one power stroke.
曲轴转两周，发动机里的气缸完成一个作功行程。
The purpose of the paper is to carry out the simulated working process calculation of the two stroke low speed diesel engine by applying the developed calculating program.
本文的主要目的是通过建立船用柴油机工作过程的计算程序，对船用低速二冲程柴油机工作过程进行仿真计算。
Compositions and features of the base oil used in producing FB two-stroke engine oil were briefly described.
介绍了FB二冲程油基础油的组成和特性，进行了添加剂的筛选和配方研制。
Please introduce one type of the main engine the main engine is large bore two-stroke crosshead type with turbo charging system.
请介绍一下其中一个主要发动机类型主发动机是大口径两杆横梁与涡轮式收费制度。
Based on control volume model often used for steady state simulation and crank-connecting rod model, a torque generation model for a two-stroke diesel engine was established.
在常用于稳态仿真的容积法模型基础上，结合曲柄连杆机构的动力学模型，建立了二冲程柴油机的扭矩预测模型。
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。
In a two-stroke gasoline engine, exhaust gas pollution is especially severe when it burns rich mixture of blended fuel.
二冲程汽油机排气污染严重，尤其是燃烧混合油、浓混合气时有害物排放量大。
The ways of intensification are analysed and specific measures are introduced for the small-sized, two-stroke petrol engine of crankcase compression.
针对曲轴箱压缩的小型二冲程汽油机，分析了强化的途径、并介绍了具体的措施。
The size, weight, and cost of the engine per horsepower are therefore less, and two-stroke-cycle engines are used in motorcycles and smaller machines (e. g. , lawnmowers and power rakes).
因此，每马力所要求的机器尺寸、重量和价格成本也就降低了，所以二冲程循环发动机多用于摩托车和小型机器（如割草机和动力耙）。
The two-stroke motorcycle special engine oil should have low smoke pollution property, good lubricity, detergency, flowing property and mixotropic ability.
对二冲程摩托车油要求有良好的润滑性、排烟性、清净性、流动性和混溶性。
Two-stroke engine has its intrinsic advantages in terms of high specific power, compactness, light weight, low cost, etc.
二冲程汽油机具有升功率大、机械损失小、结构简单、制造成本低以及便于维修等特点。
Through experiments, the effects of alcohol fuel on the performance of the single-cylinder two-stroke gasoline engine, which is currently in use, are researched.
通过实验，研究了醇类燃料对目前所用的单缸二冲程汽油发动机性能的影响。
The causes of the "exhaust backfire" and "hunting" of the 1e65f two-stroke air-cooled diesel engine are analysed and the remedial measures suggested.
本文分析了1e65f二冲程风冷柴油机的“放炮”、“游车”现象的产生原因和克服措施。
An Experimental Investigation in the dynamic stress of scavenging pump driving train of a two-stroke diesel engine has been carried out.
对一台二冲程柴油机的扫气泵传动轴的动应力进行了实验研究。
The all test system works well in the actual operation, which has been successful used as the evaluating detergency test for TC-W3 grade water-cooled two-stroke gasoline engine oils.
实际评定试验中整套装置运行稳定、可靠，已成功用于TC - W3高档水冷二冲程汽油机油的清净性评定。
The composition and viscosity properties of biodegradable two-stroke gasoline engine oils were investigated.
研究了可生物降解二冲程油的基础油组成及其复合后基础油的粘度特性。
The engine is a two-stroke, crosshead type, direct reversible, constant pressure turbocharger and scavenging air cooled common rail Marine diesel engine according to licensor standard execution.
该机器是两冲程，十字头式，直接换向，恒压增压及横流扫气船用柴油机。
By means of the tuning chamber, the tuning speed range of exhaust system is widened. Thus, the two-stroke petrol engine performance at the middle-low speed range can be improved.
本文采用加装排气调谐腔的方法，拓宽了摩托车用二冲程汽油机排气系统的调谐转速范围，有效地改善了发动机在中低速区的性能。
This is most apparent for large power requirements where the two-stroke engine produces much more power for the same weight.
对于相同的功率输出，相对于四冲程柴油机，二冲程柴油机的重量明显轻很多。
This is most apparent for large power requirements where the two-stroke engine produces much more power for the same weight.
对于相同的功率输出，相对于四冲程柴油机，二冲程柴油机的重量明显轻很多。
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