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 chemical agent alarm便携式毒剂报警器
portable software environment可移植软件环境
portable emergency spacecraft轻便急救航天器
portable refrigeration system便携式制冷系统
Portable Conference Telephone便携式会议电话
portable rail bending machine轻便弯轨机
Portable Toxic Vapor Detector便携式毒气探测仪
portable blood-gas analyzer便携式血气分析仪
portable impression tonometer手持式压陷眼压计
Portable Landing Light System轻便着陆照明系统