密封面积相当于阀体长度的95%。
目前核阀密封面堆焊材料一般均为含钴合金。
The current nuclear valve sealing surface surfacing material is generally cobalt alloy.
密封面材料：结构陶瓷或超硬表面合金材料二种。
Seal the surface material: Structure pottery or exceeding two kinds alloy materials of hard surface.
为了保证关闭严密，阀瓣与阀座密封面进行的研磨。
To ensure tight closure, and the valve seat valve sealing surface of the ground.
介绍机械密封常用的密封面载荷、比载荷和载荷系数。
The concepts of load, unit load and loading factor are introduced.
介绍机械密封常用的密封面载荷、比载荷和载荷系数。
The concepts of load, unit load and loading factor are introduced.
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