secondary aluminium的用法和樣例：
例句
- This creates a secondary magnetic field around the cans that is repelled by the magnetic field of the rotor, literally ejecting the aluminium cans from the other waste materials.
這樣，被轉子磁場(chǎng)隔開(kāi)的鋁罐周?chē)蜁?huì )產(chǎn)生一個(gè)二級磁場(chǎng)，實(shí)際上也就能將鋁罐與其它廢料隔離開(kāi)來(lái)。
