two-piece clamshell bucket 双瓣式挖土斗

four-piece clamshell bucket 四瓣式挖土斗

reinforced four-piece clamshell bucket 四瓣加重抓土斗

clamshell bucket control 抓斗控制

clamshell-bucket 蛤壳形抓斗

piece clamshell bucket 四瓣式挖土斗

clamp bucket clamshell bucket 夹斗

a clamshell bucket 蛤戽

clamshell-type dump bucket 抓斗式料桶