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shaft lining
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shaft lining
Encyclopedia
工学
竖井支护
释
shaft lining
竖井支护
为控制地层压力,维护井筒围岩稳定,防止井筒变形开裂、漏水,沿竖井岩壁构筑支护结构的作业活动。
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end-around borrow
end-around carry
end-around shift
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end bearing pile
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end-bond ligand
end bound ligand
end-bound ligand
end-bound ligand; end-on ligand
end-bowed blade technology
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end-burning grain coning effect
end capping
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end correction
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endemic arsenicosis
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