例句與造句

1. The company manufactured rotary system switching equipment under the Western Electric brand.
2. They included the Bell Telephone Manufacturing Company ( BTM ) of Antwerp, Belgium, which manufactured rotary system switching equipment, and the British " International Western Electric ", which was renamed Standard Telephones and Cables ( STC ).
3. It's difficult to find system switching equipment in a sentence. 用system switching equipment造句挺難的