 |
partial section
| core hole
| partial section | |
| tech. | 局部剖视图; 部分断面 |
| core hole | |
| auto. | 型芯 孔 |
| bridg.constr. | 岩心钻孔 |
| dril. | 取心井 |
| eng.geol. | 岩芯钻孔 |
| met. | 型芯通气孔 |
| tech. | 岩芯 孔; 铸孔 |
| |||
| 局部剖视图; 部分断面 | |||
| partial section: 10 phrases in 3 subjects |
| Bridge construction | 1 |
| Oil / petroleum | 1 |
| Technology | 8 |
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