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foundation reconnaissance
| drilling
| foundation reconnaissance | |
| tech. | 基础勘测 |
| drilling | |
| agric. | 条施 |
| bridg.constr. | 掘进 |
| met. | 钻进; 钻削 |
| O&G. tech. tech. | 钻井 |
| textile | 在裁片上钻孔; 斜纹布; 卡其布 |
| UN geol. | 钻探 |
| |||
| 基础勘测 | |||
| foundation reconnaissance: 3 phrases in 1 subject |
| Technology | 3 |
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