字典網>> 英漢字典>> V開頭詞條>>vertical directivity的意思 漢英字典vertical directivity中文翻譯：【電】 垂直指向性 vertical directivity相關詞條：vertical combination vertical root vertical tubular furnace vertical tube-flash evaporator vertical screw pump vertical antenna vertical quarter-wave stub vertical tube evaporator vertical position welding vertical-deflection electrodes