panel entry


  • 翻译:盘区平巷

同义词

1)panel entry,盘区平巷2)panel entries,盘区巷道3)hanging-wall drift,上盘平巷4)panel support,盘区巷道支护5)roadway under mining district,采区下部平巷6)sub-level drift upkeep,区段平巷维护费

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