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wu mei zhu kai cai shi cai qu xiang dao de qi ti dong li te dian
Author(s): 
Pages: 59-61
Year: Issue:  1
Journal: Safety in Coal Mines

Keyword:  无煤柱开采采区巷道回采工作面十月革命动力特点研究工作煤层观测点苏联矿区;
Abstract: <正> 在苏联卡拉甘达矿区广泛推行无煤柱开采工艺,势必要研究无煤柱开采对采区巷道气体动力的影响,以创造安全劳动条件和保证回采工作面的高产。研究工作是在《十月革命五十周年》矿R10煤层的西部第四工作面进行的,观测点
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