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| ударный перфоратор | |||
| молотковый перфоратор | |||
| бур для ударного бурения | |||
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冲击式凿岩 机 : 5 phrases in 4 subjects |
| General | 1 |
| Mining | 1 |
| Oilfields | 1 |
| Technology | 2 |
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