When extracting steeply-inclined thin orebody near outcrop, there normally exists triangle stopes.Many technological problems occur when extracting such stopes with common method of shrinkage stoping.

• 摘要急倾斜薄矿体露头附近开采时，常形成三角形不规则采场，采用普通浅孔留矿法回采存在一系列技术问题。