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ji guang zhi xiang yi zai mei xiang jue jin zhong de ying yong
Author(s): 
Pages: 44-46
Year: Issue:  7
Journal: Safety in Coal Mines

Keyword:  煤巷掘进激光指向仪;
Abstract: 本文阐述了在煤炮、矿震较大情况下的煤巷掘进中应用激光指向仪标定中腰线的方法和日常管理中的注意事项,还说明了应用激光指向仪的效益和重要性。
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