English translation for "back up material"

衬垫材料
填充材料

Similar Words：

"back up fuel" English translation, "back up heel" English translation, "back up in parsing" English translation, "back up item" English translation, "back up lining brick" English translation, "back up memory" English translation, "back up oscillator" English translation, "back up overspeed governor" English translation, "back up power" English translation, "back up procedure" English translation