trunked削去头[顶]的trunkn.树干；(汽车后部)行李箱；大箱子；象鼻；躯干(复)trunks: 男用运动裤.Trunk Control Group通信干线控制组trunk communication干线通信,中继通信trunk junction line长途中继电线trunk grade service干线业务等级trunk fiber network干线光缆传输网trunk-line office长途电话局, 干线局trunk coupling unit干线耦合单元trunk register link中继记发器链路trunk piston diesel桶形活塞柴油机Trunkborer-inseet蛀干性害虫