在复杂应力状态下工作的钢材,其屈服取决于三向主应力中最大值的大小。()
呼吸系统监护测定选用
A. 血尿素氮
B. 3P试验
C. 黄疸指数
D. 血气分析
E. SWAN—GANZ气囊漂浮导管
Any alteration of course and/or speed to avoid collision shall，if the circumstances of the
A. Be large enough to be readily apparent
Be a succession of small alterations
C. Be with due regard to the power and speed of the vessel
D. Leave sufficient room for the other vessel to take action
钢结构规范GB50017-2003规定的轴心压杆的稳定系数φ,与钢种、截面面积和杆件长细比有关。()
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