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.
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
5.
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
6.
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
7.
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
8.
It be mild all year round in guangzhou .
广州一年四季气候温和。
9.
Not only the weather of four seasons is different,
不仅四季的天气不同，
10.
cooking top
立柜式四炉头煤气灶
11.
quadruped-frame supported vent stack
四腿钢架支承的排气筒
12.
quadrupole residual gas analyzer
四极剩余气体分析器
13.
gas chromatograph-quadpole mass spectrometer
气相色谱四极质谱仪
14.
tetrabutylammonium hydroxide solution
四丁基氢氧气化铵溶液
15.
four-stroke air-cooled gasoline engine
四冲程气冷式汽油引擎
16.
April weather is changeable.
四月的天气是易变的。
17.
gas-tetrode relaxation oscillator
充气四极管张弛振荡器
18.
have agreeaBle weather and four distinct seasons
气候适宜，四季分明