什么是一次应力、二次应力？
假定一辆卡车产生一次应力循环，这将产生1．5百万次变幅应力循环。
This would result in about 1. 5 million variable amplitude stress cycles, assuming each truck produces one stress cycle.
此外还介绍支吊架对管道产生的一次应力和二次应力，并说明在管道设计中正确设置支吊架的重要性。
In addition, elaborate primary and secondary stresses acted on pipes from the support and hanger, as well as importance of correct setting u...
认为该装置具有接触应力大，体积小，噪声小，一次试验耗油量小，试验系统传动稳定，试验结果可信等优点。
The contact fatigue tester has high contact stress, small volume, low noise, low consumption of test sam-pl, stable driving system and reliable results.
这有助于计算容器的一次薄膜应力和二次弯曲应力。
This is useful in evaluating the primary membrane stress and the secondary bending stress in vessels.
采用一次拉延成型，并在其底部预冲工艺孔，可控制径向应力的大小。
The drawing process for producing the part is completed in one operation, and a hole for machining use is pre-punched to control the magnitude of radial stress.
在塑性硬化强扭理论的基础上，利用双线性材料模型计算了扭杆弹簧第一次强扭过程横截面的应力和应变。
Based on plastic intensifying theory, dual-linearity material model is used to calculate stress and strain on the cross section of a torsion bar spring by FE method.
分层开挖的应力应变状况略好于一次性开挖。
The stress-strain of excavation in layers is optimum to single excavation.
它是发生在不能积累起较高应力的薄弱地带的一次低应力降的地震。
It is a low stress-drop earthquake occurring in a weak zone that is incapable of accumulating higher stresses.
波纹钢腹板预应力混凝土梁桥是对传统的预应力混凝土梁桥的一次重大改进。
The prestressed concrete beam bridge with corrugated web has greatly improved the traditional prestressed concrete beam bridge.
利用ANSYS有限元软件对超临界600MW机组的高、中压缸的一次完整启停过程进行温度场和应力场计算。
The thermal field and stress field were calculated for the HP and IP cylinder of 600 MW supercritical steam turbine in one integral star-stop process with the finite element software of ANSYS.
依据半弹性空间地震位错理论获得的静应力变化量，可以长期存在于邻近断层面上，直至下一次地震发生。
The changes on static stress, acquired according to the half-space elastic dislocation theory, can exist on fault plane for a long time until the next strong earthquake.
目前锥形套圈辗扩技术只能一次成形一件，而且由于锥形套圈锥角使得芯辊应力集中严重。
At present, the ring rolling technology roll one ring in one process, and the technology can't deal with stress focus on the sharp taper Angle of mandrel roller.
目前锥形套圈辗扩技术只能一次成形一件，而且由于锥形套圈锥角使得芯辊应力集中严重。
At present, the ring rolling technology roll one ring in one process, and the technology can't deal with stress focus on the sharp taper Angle of mandrel roller.
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