美利体育登录入口官网:AS ISO 12117.2:2020 土方机械 挖掘机防护结构的实验室试验和性能要求 第 2 部分:6 t 以上挖掘机的防翻滚保护结构(ROPS)
Earth-moving machinery — Laboratory tests and performance requirements for protective structures of excavators, Part 2: Roll-over protective structures (ROPS) for excavators of over 6 t