常見(jiàn)例句雙語(yǔ)例句The invention relates to a shell ring mill roll changer, which is applied to a heavy-duty eyelet component rolling technology, and plays the role of replacing a top working roll.一種筒節(jié)軋機(jī)換輥機(jī),應(yīng)用在重型金屬環(huán)件軋制工藝中,起到更換上工作 輥的作用。ip.com 返回 eyelet ring