DISS接头成功密封的关键是密封表面的极端平滑。
The key to successful sealing of the DISS connection is the extremely smooth finish of the sealing surfaces.
排气口接头的密封表面的加工质量通常不是问题，但它会影响螺纹。
Machining quality is usually not a problem with the sealing surfaces of outlet connections, but it may impact the threads.
这些盖由钢制成，以便具有足够的强度，并在密封表面装配有弹性部件。
These covers are constructed of steel for strength and fitted with elastomer components on the sealing surfaces.
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