house-service switchgear的意思|示意

厂用开关装置 ... house-service network 厂用电力网 house-service switchgear 厂用开关装置 house-service transformer 厂用变压器，自用变压器 ...

厂用开关装置伸 ... house-service equipments || 厂用电设备 house-service switchgear || 厂用开关装置伸 household electrical appliance || 家用电器 ...