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| special process (对材料进行一系列精确控制的工艺处理,使其产生物理、化学或冶金性能的变化，如果不经过破坏性试验,仅从外观无法衡量其是否符合规范要求的工艺，如化学处理、热处理、喷丸、无损检测等) | |||
| special art and craft | |||
| special arts and crafts; special handicraft products | |||
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特种 工艺 : 3 phrases in 3 subjects |
| Aviation | 1 |
| Commerce | 1 |
| Technology | 1 |
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