前件包括限定与密封环的环形表面干涉配合式接合的轴向延伸的接合表面的足部。
The front piece includes a foot portion defining an axially extending engagement surface for interference-fit engagement with the annular surface of the seal ring.
本文研究了一种将窄缝与栅片配合应用于限流断路器的新型混合式灭弧系统。控制了栅片间金属短弧的金属蒸气喷流，同时削弱灭弧室中热气体的回流。
In this paper, we present a new type of hybrid arc quenching system, which controls the metal vapor and back flow of the hot air in splitters arc quenching chamber.
该组合式机械三通密封的特殊设计使之能配合开孔机开出与管道内径相等的孔；
The special design of the tee branch is appropriate for drilling holes equal to the inner pipeline . diameters.
该组合式机械三通密封的特殊设计使之能配合开孔机开出与管道内径相等的孔；
The special design of the tee branch is appropriate for drilling holes equal to the inner pipeline . diameters.
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