基本解释n.蚌壳式同根派生 clampshell相关词英汉例句clampshell bucket 蛤戽斗clampshell nozzle 双调节片可调喷管clampshell type dump bucket 壳式底卸料桶clampshell dredger 蛤壳戽斗挖泥机clampshell brake 钳夹制动器clampshell更多例句