例句與造句

1. With the appearance of advanced roll mills and effective rolling techniques , the rolling industry has made a rapid development . at the same time , the manufacturing of roll is accelerated to stride into the new technique field . how to elevate the rolling life and quality to suit the mills is a new question for discussion for the persons who develop rolls
   隨著先進(jìn)軋機(jī)和高效軋制技術(shù)的問世，推動(dòng)了軋鋼工業(yè)的迅速發(fā)展，同時(shí)也促進(jìn)軋輥制造業(yè)邁向新的技術(shù)領(lǐng)域；如何提高軋輥的使用壽命及軋制質(zhì)量以適應(yīng)軋機(jī)的需要是軋輥研制者面臨的新課題。
2. It's difficult to find roll life in a sentence. 用roll life造句挺難的