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face discharge
| ports
| face discharge | |
| mech. | 底冲式; 唇喷射式 |
| tech. | 底面排水 |
| port | |
| dat.proc. | 端口 |
| interntl.trade. | 口岸 |
| met. | 孔; 口 |
| steel. | 喷口; 炉头 |
| |||
| 底冲式的 | |||
| |||
| 底冲式金刚石取心钻头; 唇喷射式钻头 | |||
| |||
| 底面排水 (钻头) | |||
| face discharge: 8 phrases in 5 subjects |
| Electronics | 1 |
| Engineering geology | 2 |
| Mechanics | 2 |
| Oil / petroleum | 1 |
| Technology | 2 |
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