[作业 运输] 通过滚动延伸金属带成品 rolling shapes: 钢材品种mill for rolling circular shapes: 圆钢轧机; 圆形型材轧机rolling mill for circular shapes: 轧圆型材的轧钢机bands of metal for tying-upurposes: 捆扎用金属带stretchers for metal bands: 金属带拉伸器下载手机词典可随时随地查词查翻译