support roller 英 [səˈpɔ:t ˈrəulə] 美 [səˈpɔrt ˈrolɚ] [释义]支承轮; [网络]托带轮; 托辊; 支撑滚轮; [例句]Repair for cold rolling support roller with submerged arc surfacing 用陶质焊剂埋弧堆焊修复冷轧支撑辊
