Characteristics: Strong functions, online upgrade is allowable, flexible configuration, wide application range, the quantity and advanced performances reached to international advanced level .
Characteristics: Strong functions, online upgrade is allowable, flexible configuration, wide application range, the quantity and advanced performances reached to international advanced level .
特点：功能强大，支持在线升级，配置灵活，应用范围广，产品质量和先进性达到国际同类先进水平。