rubber insulator

缘_互动百科 ... rod insulator 导管绝缘器; 棒形绝缘子 rubber insulator 橡皮绝缘子 rubber vibration insulator 防振橡胶 ...

直角三角形_馆档网 ... "橡胶绝缘电缆"," rubber insulated cable" "橡皮绝缘体"," rubber insulator" "橡皮鎚"," rubber mallet" ...