primary motor的用法和樣例：
例句
- This sewing machine is driven by an electric motor.
這台縫紉機是靠電動機啟動的。 - He found a toy electric motor in a junk heap.
他在廢物堆里找到了一台玩具電動機。
primary motor的相關資料：
臨近單詞
primary jet
primary
primary agricultural products
primary adrenal insufficiency
primary vaccination performed
primary water lifting machine
primary photochemical process
primary and secondary schools
primary energy economic ratio
primary health care programme
primary photoelectric current
primary gonococcal dermatitis
