组合式轧辊back: n. 1.背,背部;背脊;背面,反面;背后,后部,后面, ...up: adv. (superl. uppermost ) 1. ...roll: vt. 1.滚,转,推滚(桶、车轮等),使(烟、尘土)滚 ...sleeved back up roll: 组合式支承辊sleeved roll: 双层轧辊; 组合式轧辊下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:sleeved back-up roll,即可在微信中查询翻译