四冲程的

Driven by a four-stroke engine, this Polaris ATV has enough power to quench your kid's thirst for speed.

驱动由四冲程发动机，这北极星亚视有足够的权力，淬火你的孩子的渴望速度。

Four-stroke engines of this type with this same type of intake valve motion but with a supercharger to make up for the loss of power density are known as Miller cycle engines.

四冲程发动机本与此同进气阀运动类型的类型，但以使增压器的功率损耗密度，这些都是为米勒循环发动机众所周知的。

For the engine system, we choose four-stroke, low -oil cost engine or the liquefacient engine for protect the environment.

动力可选配最新环保的四冲程发动机，油耗低、动力强，也可选用环保的液化气发动机。

Displacing 1854cc (113 cubic inches), the 48 degree V-twin air-cooled OHV 4-stroke engine benefits from a highly advanced specification that includes 4-valve twin-spark plug cylinder heads, forged pistons, pent roof combustion chambers, EXUP, oil cooling, fuel injection, 100mm diameter plated cylinders and a hydraulic clutch.

驱1854cc， 48度V型双风冷式ohv四冲程发动机的好处从一个高度发达的规格，其中包括4气门，双火花塞缸盖，伪造活塞，压抑的屋顶燃烧室， exup ，油冷却，燃油喷射， 100毫米直径的镀缸和液压离合器。

And the same number of well-known international companies in China, on its products:◎ Honda "HONDA"-Product: Series lawn grass cutting vehicles, lawn grass cutting machine, environment-friendly four-stroke cutting grass playing irrigation machines, gasoline engines, pumps;◎ the United States "TORO" produced by spray irrigation equipment: a variety of models and buried guns, electromagnetic valve, controller;◎ the United States "TORO" produced by Sports Ground Equipment: Triple hob grass cutting machines, multi-purpose transport aircraft, drilling Machine, the green grass cutting machines, machine crossed stadium turf, lawn sweeping machine, Rotary Daojian wide grass machine, suction machine leaves, lawn tractors, heavy-duty garden tractors, zero turn efficient grass cutting car use Landscaping 000 engineering vehicles ;◎ Japan's Komatsu company's Hedgerow pruning machine, a grass-cutting irrigation, logging chain saw fighting sticks, tree branches shredders, digging machine, mini-excavators;◎ Japan's Ishikawajima Shibaura company's golf equipment: air - Lawn machine, Shoufu-green grass cutting machine, triple grass cutting machine, Tuogua-triple grass cutting machine, a review of sand, cutting grass-roots comb, Shoufu pressure roller-green machine, lawn sweeping vehicles, Fertilization sowing machine, the green grass Gun pressure, green cleaning machine, knife-cut home-Bitola, rake sand machine, drilling machine;◎ Italy Italy Make the production company,"Omar card" Hedgerow cutting machines, cutting irrigation Grass-fighting and fighting sticks logging chain saw, the specifications for digging machine, gasoline / electric lawn grass cutting machine;◎ Sweden,"Sandvik" gardening tools.

并同多家国际著名公司合作，在中国代理其产品：◎本田&HONDA&通机产品：系列草坪剪草车、草坪剪草机、四冲程环保型割灌打草机、汽油发动机、水泵；◎美国&TORO&公司生产的喷灌设备：多种型号地埋式喷头、电磁阀、控制器；扫机、宽幅旋刀剪草机、吸树叶机、草坪拖拉机、重型园林拖拉机、零度转弯高效剪草车园林绿化万用工程车；◎日本小松公司生产的绿篱修剪机、割灌打草机、打枝伐木油锯、树枝粉碎机、挖坑机、小型挖掘机；根梳草机、手扶式果岭压辊机、草坪清扫车、播种施肥机、果岭压草磙、果岭清扫机、剪置刀盘托拉机、耙沙机、打孔机；◎意大利意玛克公司生产的&欧玛牌&绿篱修剪机、割灌打草机、打枝伐木油锯、大规格挖坑机、汽油/电动草坪剪草机；◎瑞典&山特维克&园艺工具。

Aiming at the problem of heavy duty vehicle engine vibration and noise, this thesis develops theoretical and application research on the vibration and noise control for a 6-cylinder, in-line, four-stroke diesel engine based on modern design theory and technique.

本文以重型车用发动机的振动和噪声问题为出发点，应用现代设计理论与方法对某直列四冲程六缸柴油机开展振动与噪声控制问题的理论和应用研究工作。

The 600cc liquid-cooled 4-stroke in-line 4-cylinder engine is ready to respond with smooth, linear performance when the rider twists the throttle.

00cc液体冷却的四冲程在网上4缸发动机，是随时准备回应与顺利，线性的表现时，骑在曲折中节流阀。

MWM engine add an exhaust port at a four-stroke engine cylinder wall, and it be controlled to opening or close by a valve, this structure can make the engine has different working mode by different valve working together.

MWM发动机在普通四冲程发动机的气缸侧壁增加了一个排气口，且由气门控制其开闭，通过处于不同位置气门的配合工作，从而实现其各种工作模式和工作过程。

With its liquid-cooled, four-stroke Rotax 200 engine, lightweight SST frame, front and rear hydraulic disc brakes and spring pre-load adjusters, this ATV is ready to take on the roughest trails.

其液体冷却，四冲程rotax 200发动机，重量轻SST的框架，前方和后方，液压盘式制动器和弹簧预加载调节，这是亚视准备采取对粗糙的路径。

he effect of the spark energy on the emissions was investigated on a small LPG SI engine (125 mL, 4stroke, watercooled, singlecylinder, with electronically controlled fuel injection).

结合四冲程、水冷125 mL单缸电控喷射摩托车发动机，对LPG在小型点燃式发动机上应用时，点火能量的改变对发动机排放的影响进行了试验研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。