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| 车辆倒车 | |||
| 倒灌; 衬砌; 封底焊; 里壁衬 (墙内部用的瓷砖); 回流; 回冲; 背衬; 背裱; 刨刀护铁 | |||
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| 回投〔冲，行〕 | |||
| 封底焊 | |||
| 倒退 (滑行) | |||
| 后方掩护 | |||
| 倒退滑行; 回流 | |||
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backing-up : 19 phrases in 8 subjects |
| Architecture | 1 |
| Compressors | 2 |
| Drilling | 2 |
| General | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 1 |
| Polygraphy | 2 |
| Technology | 5 |
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