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此研究为带垫板全长锚杆支护设计提供一个理论计算方法。
This research provides a theoretical method for design of a full column bolt with bottom plate.
youdao
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此研究为带垫板全长锚杆支护设计提供一个理论计算方法。
This research provides a theoretical method for design of a full column bolt with bottom plate.
youdao