tubular sprue cutter是什么意思

用法例句

The abrasion of paper cutting blade have effect on quality of cutting, stability of cutting and production efficiency notably.

切刀刀片是印刷造纸行业中执行切削工作的最主要部件,其耐磨性直接影响着切刀刀片的使用寿命和生产效率。