这项试验是在我校党委和系总支亲切关怀与领导下进行的,参加这项研究的单位有山东及徐州煤矿基本建设局、上海煤矿设计院、山东煤炭研究所、北京矿业学院等,在试验过程中,上述各单位的党委及各级领导给予了极大的支持与关怀,保证了试验工作的顺利进行。目前,试验还在继续,本文仅作为前一阶段的小结。 This experiment was carried out under the cordial care and leadership of the party committee and department chief of our school. The units participating in the study include the Coal Mine Construction Bureau of Shandong and Xuzhou, Shanghai Coal Mine Design Institute, Shandong Coal Research Institute, Beijing Mining Institute, etc., During the experiment, the party committees and leaders at all levels in all the above units gave great support and care and ensured the smooth progress of the trial work. At present, the test continues, this article only as a summary of the previous stage.