bottom edges短语⁷⁹⁹⁷⁸⁺⁹ 基本例句 🌏底边；下边缘；底部边缘 It runs normally and stably since putting into production, burr on side and bottom edges of cathode copper disappears completely, and the surface physical specifications is the first rate. 投入生产运行以来一直正常稳定，生产出的铜阳极板，荡边及飞边毛刺彻底消失，表面物理规格达全优。 cnki