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| 装〔加，进〕料孔; 装〔进〕料口 | |||
| 加料孔; 进料口 | |||
| 进料口〈挤塑〉 | |||
| 进料孔 | |||
| feed opening: 8 phrases in 3 subjects |
| Chemistry | 1 |
| Plastics | 4 |
| Technology | 3 |
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