English translation for "下向梯段回采"

bottom stoping
underhand stoping

Related Translations:

后退式回采:  back comingbring backretreating working

船尾梯:  pooladder

梯车:  passenger stepstower wagon

单梯:  first floor laddersingle ladder

伸缩梯:  exte ion ladderextending ladderextension laddertelescoping ladder

梯屋:  stairhood

行李梯:  luggage ladderrack entrance height

固定梯:  fixed ladder

客梯:  airstairspassenger elevatorpassenger liftpassenger stair way

木工梯:  bricklayers ladderbuilders ladder

Similar Words：

"下向水平分层崩落矿房法" English translation, "下向水平分层顶板崩落采矿法" English translation, "下向梯段" English translation, "下向梯段爆破" English translation, "下向梯段工祖" English translation, "下向梯段式长壁回采" English translation, "下向梯段式的" English translation, "下向梯段式回采" English translation, "下向通风" English translation, "下向通风器" English translation