维修复杂
The maintenance is complex
以上为机器翻译结果，长、整句建议使用 人工翻译 。
航空机载复杂产品基本是可修产品，按其修复深度分为完全修复和基本修复，而实际维修中又多为基本修复。
Almost all complex aircraft products are repairable. They are, by the degree of repair, of two categories: complete repair and basic repair. In practice, most of them are basic repairs.
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