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1)  prestretching ['pri:'stretʃiŋ]
预先拉伸
2)  pre-tensioning
先张,预拉(伸)
3)  preload ['pri:'ləud]
预拉伸;预先加料;预加负荷;预加应力
4)  pre-tension
预拉伸
1.
Numerical Simulation of Welding Residual Stresses and Distortions of Aluminum Alloy Cylinder under Pre-tension Stresses;
预拉伸条件下铝合金筒体焊接残余应力和变形的数值模拟
2.
Analysis on the tendency of welding hot cracks of aluminum alloy increased by longitudinal pre-tension
纵向预拉伸增大铝合金焊接热裂纹倾向的分析
3.
The effect of pre-tension stress on the welding distortion of 5A05 aluminum alloy sheet was numerically simulated by applying finite element method based on the ANSYS software.
应用热弹塑性应力应变关系理论,在考虑材料性能参数随温度变化的条件下,运用大型ANSYS软件通过有限元法模拟分析了预拉伸应力对5A05铝合金板材焊接变形的影响。
5)  prestretching ['pri:'stretʃiŋ]
预拉伸
1.
The effects of prestretching before aging on the mechanical properties of high Cu/Mg ratio Al-Cu-Mg-Ag alloys at room temperature were investigated.
研究了时效前的预拉伸对高Cu/Mg比值的Al-Cu-Mg-Ag合金室温力学性能的影响。
2.
Combining with the productive practice, a prestretching structure is applied in this article to make the ballscrews work well at the time of temperature increment.
本文结合生产实践,采用一种预拉伸结构,使丝杆在温度升高的情况下满足了工作要求。
3.
The effect of prestretching on agehardening and tensile properties of Al5.
研究了时效前的预拉伸对耐热Al-5。
6)  Preheating and Stretching
预热拉伸
1.
Improvement of Controlling Method for Preheating and Stretching Process of Geogrid;
土工格栅生产预热拉伸控制方法的改进
补充资料:国防科学技术先期技术开发(见国防科学技术预先研究)


国防科学技术先期技术开发(见国防科学技术预先研究)
advanced technology development of national defense science and technology

  guomng kexue listiu Xlanqi lishu切ifa国防科学技术元期仪不井汉哗u-vanced teehnology develoPment ofnationalde-fense seienee and teehnology)见国防科学技术预先研究。
  
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