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| компрессор, работающий без смазки | |||
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| бессмазочный компрессор; сухой компрессор (Irina Verbitskaya) | |||
| безмасляный компрессор (Using an oil free air compressor has a lot of benefits as it ensures an oil free air supply which is much cleaner economically with less contamination. Irina Verbitskaya) | |||
| oil free compressor: 5 phrases in 4 subjects |
| Electronics | 1 |
| Sakhalin | 1 |
| Technology | 2 |
| Thermal engineering | 1 |