综掘工作面帮部前探梁临时支护结构改进工艺研究

doi:10.11799/ce201709024

COAL ENGINEERING ›› 2017, Vol. 49 ›› Issue (9): 91-93.doi: 10.11799/ce201709024

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Received:2017-04-14 Revised:2017-05-22 Online:2017-09-25 Published:2018-04-18

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