English translation for "上向下向梯段联合回采法"

combined overhand and underhand stoping

Related Translations:

后退式回采:  back comingbring backretreating working

脚后跟向下:  heels down

后心向下:  palm down

向下凸出:  downward bulge

向下式:  lower quadrant

向下弹射:  downward ejectioneject downwardejection underneathventral ejection

掌心向下:  palms face downward

向下负载:  download

向下传:  pass on

姿势向下:  lower stance

Similar Words：

"上向梯段回来" English translation, "上向梯段开采法" English translation, "上向梯段式回采法" English translation, "上向通风" English translation, "上向通风砖窖" English translation, "上向斜焊" English translation, "上向因果性" English translation, "上向运输" English translation, "上向凿井" English translation, "上向凿井法" English translation