Subsequently, the melted portion is rapidly cooled to a martensitic transformation region, to form a martensitic structure.
随后，融化的部分迅速冷却到马氏体相变的地区，形成马氏体结构。
Said fluid machinery is designed especially as a turbo compressor for use at low temperatures, the housing preferably being made of a cold-resistant material that has a martensitic structure.
该流体机械尤其是用于低温用途的涡轮压缩机，其中该壳体优选地由具有马氏体组织的冷韧性的材料制成。
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