燃烧室膜片的形状是这样的，使过渡区的最小曲率半径小于底部段的最小曲率半径。
The shape of the membrane is such that the smallest radius of curvature of the transition zone is smaller than the smallest radius of curvature of the base section.
燃烧室膜片的形状是这样的，使过渡区的最小曲率半径小于底部段的最小曲率半径。
The shape of the membrane is such that the smallest radius of curvature of the transition zone is smaller than the smallest radius of curvature of the base section.
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