seal coating
... 硅密封胶 硅酮密封层 硅酮嵌缝膏 siliconesealant 密封敷层 seal coating 密封橡皮层 tight rubber layer ...
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采用熔化极惰性气体保护堆焊方式，在阀体密封面上均匀地熔敷镍基合金的耐磨焊层，从而达到改善阀体密封面的表面质量，显著延长阀体寿命的目的。
Using the MIG surfacing method, Ni-alloy was deposited evenly on the sealing face of valve to enhance the performance and prolong the life of the valve.
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