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| 推拉式酸洗 (【技】属半连续式酸洗。酸洗时每个钢卷头部均由夹送辊借推力送人酸洗槽，再由酸洗槽间夹送辊依次咬人推拉向前，直至通过剪边机后送人张力卷取机。) | |||
| push -pull pickling: 2 phrases in 1 subject |
| Metallurgy | 2 |
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