VVVF drive for door operator的意思|示意
美 / /
英 / /
门操作人员变频调速驱动
VVVF drive for door operator的网络常见释义
门机变频驱动 ... 应急照明Emergency lighting 门机变频驱动VVVF drive for door operator 电动运行Inching running ...