滚动器 meaning in Chinese

roll packer

Walking aids manipulated by both arms - requirements and test methods - rollators
双臂操作的助步器,要求和试验方法.滚动器
Walking aids manipulated by both arms - requirements and test methods - part 2 : rollators
双臂操作的助步器.要求和试验方法.第2部分:滚动器
Walking aids manipulated by both arms - requirements and test methods - part 2 : rollators iso 11199 - 2 : 2005 ; german version en iso 11199 - 2 : 2005
双臂操作的助步器.要求和试验方法.第2部分:滚动器