floor bolting
... 底板锚杆支护 floor bolting 锚杆支护清醒 Bolting Awake 锚杆支护起来 Bolting Up ...
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施工中应用巷道围岩切缝法的岩石力学理论分析，采用锚杆支护法解决底板臌起现象，收到良好效果。
Based on the theory of rock mechanics that applied in country rock kerf, and using bolt support can remove the heave of bottom, which gets good effect in practice.
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