当一种物料或产品，经过多次指定最大应力的试验周期后，尚未发生故障，此种在出现"故障"前的最高应力试验周期，谓之"Fatique strength".
直流镀镍层的引线随厚度的增加，抗疲劳强度呈直线下降。
The lead fatigue strength is decreased linearly with the increase in nickel coating thickness.
碳钢具有高温和低温强度，具有很高的韧度和优异的抗疲劳强度。
Carbon steel has high and low temperature strength is very tough and has excellent fatigue strength.
通过对油管的受力分析，校核偏磨油管的抗拉强度和抗疲劳强度。
By analyzing the force applied on the tubing, the tensile strength and anti-fatigue strength of the tubing are calibrated.
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