设计中,确定合理开采深度,通常采用的原则是境界剥采比不大于()
A
暂无解析
—Haveyougotadictionary?
—_______________
()Well，wouldyoulike_____todrink?
()Iwouldlike________.
you，what，wrong，is，with
_______________________________
Theofficebuilding_____theclassrooms
