tip-seal 顶封
blade tip seal 叶顶汽封
apex seal tip radius 径向密封角顶半径
seal tip sliding velocity 径向密封片尖端滑动速度
seal tip epitrochoidal path 径向密封片顶端外旋轮轨迹
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.
本文介绍航空燃气轮机转子叶尖“紧间隙”密封的典型结构型式现状，转子内流系统应用气膜密封的有关研究进展。
Corrosion products formed by these reactions can prevent normal valve operation and can become embedded in the elastomeric stem tip, preventing the valve from making a complete seal.
这些反应产生的腐蚀产物会阻止正常的阀门运转，深入到人造橡胶阀杆顶端，造成阀门不能完全密封。
Seal coating sprayed is currently used to adjust the gap between the blade tip and engine casing and improve engine efficiency.
采用喷涂封严涂层的方法调整叶片端部与发动机涡轮机壳之间的间隙以提高发动机效率。
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