... 旁承间隙 side bearing clearance 旁承载荷 load on side bearing 旁承支重转向架 side bearing truck ...
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In horizontal well, frontal side casing string is usual bearing pressure. In horizontal hole section, with the length of casing increase, the hook load is decreasing on the contrary.
水平井的前端套管一般是承受压应力的，随着进入水平段的套管长度的增加，大钩载荷反而下降；
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