so a 4-stroke motor-engine working process monitoring and performance evaluation system is developed with relevant manufacturer's entrust.

1、

briefing valves of four-stroke motorcycle engines

浅谈四冲程摩托车发动机的气门

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2、

trouble and cause of 4-stroke engine of motorcycle

四冲程摩托车发动机故障及原因

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3、

numerical analysis of valve cam train for 4-stroke motorcycle engine

四冲程摩托车发动机配气机构的数值分析

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4、

the application of specific engine oil quality for four-stroke motor

四冲程摩托车发动机专用油的应用

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5、

development and evaluation of lubricant for 4-stroke engine of motorcycle

四冲程摩托车发动机润滑油的发展与评价

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6、

the load on crankshaft ball bearing of a single cylinder 4-stroke motorcycle engine is analyzed in order to observe the effect of combustion pressure, reciprocating inertia force and unbalanced rotational centrifugal force on inner and outer ring of ball bearings.

通过对摩托车单缸四冲程发动机曲轴滚动轴承负荷的分析，了解燃烧气体力、往复惯性力和不平衡旋转离心力对轴承内圈和外圈的影响。

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7、

the structure of the shaft noses and the shaft holes is different with various types of motorcycles, and different in maintenance as well.

四冲程发动机凸轮轴两轴头与气缸盖两轴孔的结构型式依不同车型而有所差异，维修方法也不同。

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8、

the resonant induction technique can improve torque characteristics of 4-stroke ic engines at low speed.

进气谐振技术能有效地改善四冲程发动机低速扭矩特性，国外在产品上已有应用。

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9、

with two-stroke and four-stroke engines, the bike is an epitome of power on road.

由于二冲程和四冲程发动机，自行车是一种权力的道路的一个缩影。

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10、

a successful mini 4-stroke engine developed by honda

本田开发成功小排量四冲程发动机

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11、

r& d of steel-belted compound oil control ring for 139 fm 4-stroke engine

139FM四冲程发动机用钢带组合油环的研制

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12、

a design of the longitudinal molded line of the piston skirt for 4-stroke engine

四冲程发动机活塞裙部纵向型线的设计

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13、

performance classification method to be adopted in motorcycle 4-stroke engine oil in japan

日本摩托车四冲程发动机用油将采用性能分类法

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14、

modelling, parameter selection and simulation of a single cylinder four cycle engine

单缸四冲程发动机的模型建立、参数选择和模拟

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15、

a novel electro-hydraulic fully variable valve train for four-stroke engines is proposed.

提出一种新型的四冲程发动机液压可变配气机构。

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16、

dynamic simulation on a novel electro-hydraulic variable valve train for four-stroke engines

新型四冲程发动机液压可变配气机构的动态仿真与分析

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17、

a technical inquiry into fuel reduction of 50 ml 4-stroke engine

50mL四冲程发动机降低油耗的技术探讨

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18、

insulate auxiliary cavity with silicone or vaseline oil

使用硅树脂或凡士林油隔绝辅助沟。

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19、

the two-stage turbocharging technique is an effective measure to improve performance and reduce emissions of diesel engine.

两级涡轮增压技术是改善发动机性能、降低废气排放的一种有效手段。

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20、

improvement of the properties of aeroengine by turbocompressor

利用涡轮增压技术提高航空发动机性能

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