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| 底图｛显技｝ | |||
| 基本图 | |||
| 原图 | |||
| 底图 | |||
| 基片 | |||
| 基板; 垫片; 底层油毡; 底层板; 基层油毡; 基本原图; 背衬护墙板 | |||
| base sheet: 10 phrases in 6 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Metallurgy | 2 |
| Plastics | 2 |
| Polymers | 1 |
| Technology | 3 |
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