Tiny deformation will appear in the local of the propeller shaft of certain ship which is endured an invariableness load, although the shaft stress is within the elastic limit range.
某舰的螺旋桨尾轴长期处在恒定载荷作用下，虽然尾轴应力在弹性极限范围内，但是尾轴局部还是很容易发生微量的塑性变形。
The methods were studied for predicting range and endurance of a propeller plane at constant altitude.
研究了螺旋桨飞机等高度飞行时航程、航时的计算方法。
The use range, chief technology characteristics, operation principles and characters of YLQ-800 hydraulic propeller are introduced.
介绍了YLQ - 80 0新型液压推溜器的使用范围、主要技术特征、工作原理、操作方法及特点。
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