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| sigaretta fatta a mano | |||
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| eseguire il rollup (To collect subsets of data from multiple locations in one location); riportare m (On the Gantt Chart, to display symbols on a summary task bar that represent subtask dates. You can roll up dates from subtasks to make important dates easily visible on a summary task bar) | |||
| roll-up: 16 短语, 6 学科 |
| 冶金 | 8 |
| 化学 | 2 |
| 机械工程 | 1 |
| 电子产品 | 1 |
| 纺织工业 | 1 |
| 行业 | 3 |