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。
The contrast tests of smooth seals, labyrinth and honeycomb seals have demonstrated the seal gas clearance pulsation spectrum is a discrete one.
梳齿密封是当前应用最广泛的密封形式，其简单的结构也是诱发机组汽流激振主要因素之一。
Labyrinth seal is widely applied at rotating machinery unit, its simple structure is one of main factors induce gas flow-induced vibration.
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