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| مادة تقوية جدران الابار | |||
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| ردم اصطناعي | |||
| 英语 词库 | |||
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| Reserve Component units and individuals recalled to replace deploying active units and/or individuals in the continental United States and outside the continental United States (JP 4-05) 亦见 Reserve Component | |||
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backfill : 5 短语, 2 学科 |
| 电力线路 | 1 |
| 电缆和电缆生产 | 4 |