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| 整治工程; 补救工程; 修葺工程; 善後工程; 修繕工程 | |||
| 补救性工程 | |||
| 补强工事; 修理工作; 整改; 补救性工程 | |||
| |||
| 小修 | |||
| 补救工作 | |||
| 修补工作 | |||
| 修井作业 | |||
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remedial works : 5 phrases in 3 subjects |
| Engineering geology | 3 |
| Oil / petroleum | 1 |
| Technology | 1 |
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