There are three omnibus bar cave on the elevation of 186.95m between main power house and main transformer cave, whose section is 5.90m 6.75m. The distance between sketch of gate hole is 17.50m.是什么意思_There are three omnibus bar cave on the elevation of 186.95m between main power house and main transformer cave, whose section is 5.90m 6.75m. The distance between sketch of gate hole is 17.50m.在线翻译_英语_读音_用法_例句