The contrast tests of smooth seals, labyrinth and honeycomb seals have demonstrated the seal gasclearance pulsation spectrum is a discrete one.
蜂窝密封、梳齿密封和光滑密封的对比实验表明，密封间隙气流压力脉动谱图为离散谱。
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No, the Carrera GTS doesn’t have a lot of ground clearance, but it’s so low that most zombies you hit will go over the top of the car (especially if you keep your foot on the gas).
The paper introduced typical structure of the close clearance seals for blade tip seals in modern aero-turbine and the research progress of gas film seal for gas turbine.