OSG FX涂层4刃钛合金加工不等刃UVX-TI-8555204 UVX-TI-4FL 20XR2.5X60
OSG FX涂层4刃钛合金加工不等刃UVX-TI-8555202 UVX-TI-4FL 20XR1.5X60