... optical fiber end surface 光纤 end surface hardness 断面硬度 impeller hub end surface 叶轮轮毂端面 ...
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The effects of different silane end-capped ratios and HTPB content on mechanical properties, hardness and surface dry time of the sealant were discussed.
探讨了烷氧基硅烷封端率及端羟基聚丁二烯的含量对单组分密封胶的力学性能、硬度及表干时间的影响。
If the set collar end hardness is lower than HRC40, should first on the end surface again a built-up welding hard alloy, after the polish repackaging.
如果固定环端面硬度低于HRC40，则应先在端面上重新堆焊一层硬质合金，经磨光后再装配。
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