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| 熔化工段; 熔炼工段 | |||
| 熔融段; 塑化段 | |||
| 熔化区; 熔化带 | |||
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| 熔融段; 塑化段 | |||
| melting section: 2 phrases in 1 subject |
| Plastics | 2 |
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