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一、觀測時間、目的 二、工作面概況 1、工作面簡介 2、工作面地質概況 3、工作面巷道斷面及支護參數(附斷面支護圖)，包括掘進施工中的支護變更情況 4、支護要求及技術措施 三、工作面及兩巷測站布置，觀測項目、觀測內容及方法 四、觀測...
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