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| bolting | |||
| rock bolt support | |||
| anchorage; anchor bolt support; bolt support; rock anchorage; rock bolting; rock bolting support; rock-bolt support; suspension roof support | |||
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锚杆支护 : 16 phrases in 4 subjects |
| Architecture | 1 |
| Engineering geology | 3 |
| Hydroelectric power stations | 1 |
| Technology | 11 |
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