1.
four-stroke air-cooled gasoline engine
四冲程气冷式汽油引擎
2.
highly efficient 4-stroke low-speed diesel engine
高效四冲程低速柴油机
3.
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。
4.
The piston is an important part of a four-stroke cycle engine.
活塞是四冲程发动机的重要部件。
5.
The New Method of Determining the Four-stroke Engine s Adjustable Valves;
确定四冲程发动机可调气门的新方法
6.
Dynamic Promotion of a Type of 50cc Four Stroke Scooter Engine
50cc四冲程发动机动力性能的优化设计
7.
Development and Application of SJ 10W-30 Four-Stroke Motorcycle Engine Oil
SJ 10W-30四冲程摩托车油的开发及使用
8.
The crankcase ventilation system for4- stroke motorcycle should be improved.
四冲程摩托车用曲轴箱通风系统应当改进。
9.
Investigation in Running Laws of Turbocharge System for Four-Stroke Marine Diesel Main Engine;
船舶四冲程主柴油机增压系统运行规律的研究
10.
Influence of the flow passage dirt of pressure charging system for four-stroke main diesel engine
增压系统流道阻塞对四冲程主柴油机的影响
11.
Characteristics of cyclical variation for four-stroke small utility gasoline engine
小型通用四冲程汽油机循环波动特性研究
12.
As engine rpm increases， there is less time for each step of the four-stroke cycle.
当引擎转速增加，四冲程循环每一步的时间变得越短。
13.
The main specifications single cylinder,4 stroke engine, maximum horse-power4.5, and a speed of up to70 kph.
几个主要规格是:四冲程单汽缸引擎、高4.5马力、高时速达七十公里。
14.
Easy to ride, this punchy four-stroke single has a full five speed gearbox to keep you ahead of the traffic, wherever you're going.
易搭、本贴四冲程单已全部提前五速变速箱把你的交通你要去哪里.
15.
Parameter Optimization and Experimental Research of Electronic Control System for Four-stroke Motorcycle Engine;
四冲程摩托车发动机电喷系统参数优化与实验研究
16.
The Development and Research of Electronic Fuel Inject System for Four-stroke Motorcycle Engine;
小型四冲程摩托车发动机电控燃油喷射系统的开发研究
17.
Emission Control Strategy for the Different Displacement Small Utility S. I. Engines
不同排量小型四冲程通用汽油机的排放控制策略
18.
Quadratic-Based Computation of Four-Impulse Optimal Rendezvous between Near Circular Orbits
基于二次方程组的邻近圆轨道四冲量最优交会