综放工作面过空巷阻燃PVC混凝土柱支护技术研究及应用#br#
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吕维赟, 任卓鑫
Study and application of flame retardant PVC concrete column support technology for abandoned roadway infully-mechanized caving face
煤炭工程 . 2022, (5): 45 -49 .  DOI: 10.11799/ce202205008