Chinese translation for "房柱式构造"

room-and-pillar structure

Similar Words：

"房柱构造" Chinese translation, "房柱开采法" Chinese translation, "房柱式崩落开采法" Chinese translation, "房柱式采矿法" Chinese translation, "房柱式采煤法" Chinese translation, "房柱式井采法" Chinese translation, "房柱式开采" Chinese translation, "房柱式开采法" Chinese translation, "房柱式开法" Chinese translation, "房状燧石" Chinese translation