短語(yǔ)詞組短語(yǔ)speed frequency changer 變頻調(diào)速speed tap changer 高速抽頭切換開關(guān)speed -changer governing range 同步器調(diào)速的范圍speed d changer 變速器HIGH SPEED NET CHANGER 快速換網(wǎng)器high -speed tap changer 高速抽頭切換開關(guān) 返回 speed changer