| met. | chemical attack | 化学腐蚀 (Chemical attack refers to the corrosion of a metal in liquid or gaseous environment, it may result in dissolution, oxidation or selective attack (e.g. pitting or cracking). 化学侵蚀指的是金属在液相或气相环境中的腐蚀，其结果可能导致金属的分解、氧化或选择性侵蚀(如蚀斑或裂纹)。) |
