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| 多工作面掘进一个掘进班组于同一时间在几个邻近工作面分别从事不同工序的掘进作业 | |||
| 多工作面掘进 | |||
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| 多头的; 复式的 | |||
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| 多工作面掘进 | |||
| multiple -heading: 19 phrases in 6 subjects |
| Electronics | 2 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 3 |
| Technology | 10 |
| Textile industry | 2 |
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