The effective method of correcting lean super-scale in left reversed pendent hole was brought forward.The results were satisfactory, and the installing precision of reversed pendent hole was ensured.

 
  • 對壩左倒垂孔孔斜偏差超標提出了有效的解決辦法,實(shí)施效果良好,保證了倒垂孔的安裝精度。
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