短語詞組短語Degree e of protection 防護等級degree of cathodic protection 陰極保護度Degree of protection IP 防護等級Degree of radiant protection 輻射隔離度Degree of Gearbox Protection 防護等級sensitive degree of lightning protection 避雷保護靈敏度degree of protection for motor 電動機防護等級Protection degree of enclosure 外殼防護等級 返回 degree of protection