名词抓斗; 蛤壳; 蚌壳; 蛤壳式物品
2. clamshell的解释
1. 抓斗：clamshel dredger 抓斗式挖泥船 | clamshell 抓斗 | clamshell bucket 抓斗
2. 抓岩机：clamping device 夹具 | clamshell 抓岩机 | clamshell excavator 蛤斗式挖掘机
3. 抓式挖土机：City Transit 都市大众运输 | Clamshell 抓式挖土机 | Classification Count 分类调查
3. 七彩网·英语单词大全
noun
1. the shell of a clam
2. a dredging bucket with hinges like the shell of a clam
Synonym: grapple