The introduces an observation method and precision of foundation settlement and distortion in vertical shaft of Guqiao Colliery,and analyzes its installation reliability.

 
  • 文文介紹了顧橋煤礦立井井架基礎沉降變形的觀(guān)測方法和精度,對井架安裝的可靠性進(jìn)行了分析。
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