雙面長毛絨doublepole: 雙極雙桿doubleplunger pump: 雙柱塞泵doublepole doublethrow switch: 雙刀雙擲開關(guān)doubleplug: 雙插塞doublepole electromagnetic receiver: 雙極式電磁受話器下載手機詞典可隨時隨地查詞查翻譯