短語詞組短語Protection Class Class 安全等級enclosure protection class 外殼防護(hù)等級;外殼防護(hù)級Covering protection class 外殼防護(hù)等級Lnsulation &Protection CLass 絕緣性及防護(hù)等級Case protection class 外殼防護(hù)等級Protection class of enclosure 防護(hù)等級l High protection class 高防護(hù)等級Protection Class of Case 外殼防護(hù)等級 返回 protection class