-
合金钢材质经热处理,研磨修边刀,刀口锋利,精密度高。
Alloy steel via heat treatment, grinding blade, enable to keep sharp edge and high precision.
youdao
-
合金钢材质经热处理,研磨修边刀,刀口锋利,精密度高。
Alloy steel via heat treatment, grinding blade, enable to keep sharp edge and high precision.
youdao