1.
The Air Flow and Intake Port Improvement on 4112 Four Valves Diesel;
4112四气门柴油机进气流动及气道优化
2.
Study on 4-Valve Engine Valve-Train System
发动机四气门配气机构系统分析研究
3.
Optimization Design of Four-valve Valve-train Based on ADAMS
基于ADAMS的四气门配气机构优化设计
4.
A Study on Characteristic of In-cylinder Flow Field in Four Valve SI Engine under Low Valve Lift;
低气门升程下四气门汽油机缸内气体流动特性研究
5.
Development and Study of 4-Cylinder 4-Valve Diesel Engine Reached Euro Ⅱ Emission Standard
四缸四气门排放达欧Ⅱ柴油机的开发研究
6.
Study on RE/CFD/CAM Development Flow of Four-Valve Diesel Engine;
四气门柴油机进气道RE/CFD/CAM开发流程研究
7.
The Study on Design of Four-Valve Intake Port in 4V105 Diesel Engine;
4V105柴油机四气门缸盖进气道的设计研究
8.
Three Dimensional Numerical Simulation of 4-Valve Engine with Dual-intake Port;
四气门发动机进气道内流动的三维数值模拟
9.
CFD Analysis of Intake Port Flow Characteristics for Four-valve Gasoline Engine
四气门汽油机进气道流动特性的CFD分析
10.
The Research on Flow Field in Ports and Cylinde of Four-valve Gasoline Engine for Automobile;
车用四气门汽油机气道及缸内气体流动状态的研究
11.
Numerical Computation of 135 Four-Valves Di-Diesel Engine Working Process;
135四气门直喷式柴油机工作过程数值计算
12.
Development and Research of YC4112ZLQ Turbocharged Intercooler Four Valves Diesel Engine;
YC4112ZLQ四气门涡轮增压中冷柴油机的开发试验研究
13.
PIV Measurements of the Evolvement of In-cylinder Tumble Flow Field in a Four-Vale Gasoline Engine
基于PIV技术的四气门汽油机缸内滚流特性研究
14.
Experiment and Research to Raise the Performances of 6M Turbocharged Intercooler Diesel Engine Using Four Valves Technology;
应用四气门技术提高6M涡轮增压中冷柴油机性能的试验研究
15.
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
16.
Responses of Precipitation in Four Seasons to Climatic Change in Yumen during 1953-2008
近56年玉门四季降水量对气候变化的响应
17.
Using the sensors and actuators of four-channel, four-sensor anti-lock brake system (ABS) uses both brake and throttle intervention to control wheel spin.
采用标准四通道、四传感器的防抱死制动系统（ABS）可通过制动和节气门控制来控制轮胎打滑。
18.
Its massive oaken door stood unbarred. Within was a small chamber, chilly as an ice-house, and walled by Nature with solid limestone that was dewy with a cold sweat.
巨大的橡木门没上门闩，里边有个小室，寒气逼人，四周是天然的石灰岩墙壁，上面水珠晶莹透亮。