But the stress changing range in fatigue life curve is narrow.
不同的是该材料的疲劳寿命曲线的应力范围比较窄。
Using the samples with equal thickness to the tank and with the same size as the real undercuts, a simulation fatigue testes are performed under the stress range of an actual structure.
再采用与实物等厚度、与真实咬边等尺寸的模拟试样，进行与实际结构等应力范围条件下的模拟疲劳试验。
P The fatigue stress range for prestressing tendons shall be in accordance with en 10138 or given in an appropriate European Technical Approval.
疲劳应力范围必须与EN, 10138或相应欧洲技术认可中的规定一致。
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