例句與造句

1. A cluster mill has more than 4 rolls, usually in three tiers.
2. The rolling is done in a " cluster mill " because the small thickness requires a small diameter rolls.
3. Unlike a traditional rolling mill this 20-high cluster mill configuration utilizes cascaded supporting rolls to apply force on the small work rolls in the center.
4. It's difficult to find cluster mill in a sentence. 用cluster mill造句挺難的