blade face meaning in Chinese

叶面
叶片面
叶片正面

Inserted blade face milling cutters for internal alignment on spindle noses according to din 2079
第1部分:符合din 2079的轴头内对中插入式平面铣刀
Inserted blade face milling cutters for milling machine arbors according to din 6361 and din 6362
第3部分:符合din 6361和din 6362的铣床轴头插入
Inserted blade face milling cutters for internal alignment , for combined mounting on spindle - noses no 50 and 60 according to din 2079
组合安装在din 2079的no 50 and 60主轴头上内定心