短語詞組短語main lighting switchboard 主照明配電板main motor switchboard 推進電動機配電板;主推進電動機配電盤MV main switchboard 中壓配電板main starting valve switchboard 主配電盤main propulsion motor switchboard 推進電動機控制板main switchboard system drawing 總配電系統(tǒng)圖main machinery motor switchboard 推進電動機配電板LV main switchboard 低壓配電板The main switchboard 主配電板 返回 main switchboard