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| directed vibrations (1) |
| frequency (1) |
| grade (1) |
| grate (1) |
| horizontal screen (1) |
| jar (1) |
| low–head screen (1) |
| rotor (1) |
| shaft (1) |
| vibrator (1) |
| directed vibrations (1) |
| frequency (1) |
| grade (1) |
| grate (1) |
| horizontal screen (1) |
| jar (1) |
| low–head screen (1) |
| rotor (1) |
| shaft (1) |
| vibrator (1) |