1) raised lip
提升的挖斗前缘[挖土机舌瓣]
2) orange-peel excavator
多瓣式戽斗挖土机
3) ange peel excavator
多瓣抓斗式挖土机
4) bucket excavator for upward scraping
上挖斗式挖土机
5) four-piece clamshell bucket
四瓣式挖土斗
6) two-piece clamshell bucket
双瓣式挖土斗
参考词条