“underhand stoping”可以造什么句，underhand stoping造句
来源：语文精选馆 7.32K
2、There are several techniques for working the face of the stope. Overhand stoping indicates working from a lower to an upper level; underhand stoping is the opposite, from an upper level to a lower level.
1、Overhand stoping indicates working from a lower to an upper level; underhand stoping is the opposite, from an upper level to a lower level.
