Combined Support of Crossing Point of Roadway Bottom Slice and Loose Rock Stratum with Rockbolt Net and Bamboo Curtain是什么意思_Combined Support of Crossing Point of Roadway Bottom Slice and Loose Rock Stratum with Rockbolt Net and Bamboo Curtain在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句