常見例句clampshell bucket 蛤戽斗clampshell nozzle 雙調(diào)節(jié)片可調(diào)噴管clampshell type dump bucket 殼式底卸料桶clampshell dredger 蛤殼戽斗挖泥機clampshell brake 鉗夾制動器 返回 clampshell