There is tight ( or thin and highly adherent ) scale and decarburization, at least in certain areas.

  • 部件上有密布 ( 稀疏但附着力很强 ) 鳞片和脱碳痕迹, 至少在部分区域如此.

  • 网络文摘精选 2025-01-18 10:06:51

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