Research Article
A Control Method of Rock Burst for Dynamic Roadway Floor in Deep Mining Mine
Table 3
Main parameters of the YTJ20 borehole detection recorder.
| | Camera diameter (mm) | Camera length (mm) | Depth of detection (m) | Host size (length × width × height) (mm3) | Working hours (h) | Storage capacity (G) |
| | 25 | 100 | 20 | 240 × 190 × 83 | 8 | 2 |
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