low circle fatigue 基本例句 低周疲劳 Boiler drums in power plants are mainly damaged by the low-cycle fatigue.摘要低周疲劳损伤是电站锅炉汽包的主要失效形式。 Recent development of multiaxial low cycle fatigue under nonproportional loading is summarized.综述近年来国内外非比例载荷下多轴低周疲劳研究的进展和现状。