portable ram外置式油缸portableadj.轻便的；手提式的；[计]可移植的n.便携的东西portable ultraviolet radiator轻便型紫外线辐射器portable xenon cine projector便携式氙电影放映机portable ambient air analyzer便携式环境空气分析仪portable real-time software[计] 可移植实时软件portable highway steel bridge装配式公路钢桥portable recording instrument记录仪portable pulse rate indicator携带式脉率指示表portable standard vacuum gage携带式标准真空计portable identification field手机标识字段portable irradiation facility移动式辐照装置