The lift force due to the action of jet flow is analysed and the conditions of improving the safety factors of apron slab are presented.
分析了使护坦板块失稳的上举力的成因； 指出了增加护坦板稳定性的条件。
The lift force due to the action of jet flow is analysed and the conditions of improving the safety factors of apron slab are presented.
分析了使护坦板块失稳的上举力的成因； 指出了增加护坦板稳定性的条件。
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