闭锁式料斗 lock hopper

挖斗闭合 bowl close

铲斗闭合 bucket close

至抓斗开闭 To grab opening-closing ; To grab the closed

铲斗闭合循环时间 bucket close cycle time

闭锁料斗 lock hopper

封闭式抓斗 [机] enclosed type grab

密闭分液漏斗 closed separating funnel

封闭式墨斗 enclosed fountain

抓斗关闭 grapple close