型系 meaning in English

type system

Technical systems and aids for disabled or handicapped persons - wheelchair tiedown and occupant - restraint systems - docking - type tiedown systems
残疾人或行动障碍人用技术设备和辅助装置.轮椅系固装置和乘车人安全束护系统.对接型系固装置
Current situation and problems of x - shape flexible mattress with concrete blocks tied are described , and improvement measures for projects to be implemented soon later are presented
摘要主要介绍x型系硅块软体排的现状及存在的问题,以及近期实施工程式改造措施。