GM系列 GM-2BL-R1.0 GM-2BL-R1.25 GM-2BL-R1.5 GM-2BL-R1.75 GM-2BL-R10.0 GM-2BL-R2.0 GM-2BL-R2.5 GM-2BL-R2.75 GM-2BL-R3.0 GM-2BL-R3.5 GM-2BL-R4.0 GM-2BL-R4.5 GM-2BL-R5.0 GM-2BL-R6.0 GM-2BL-R7.0 GM-2BL-R8.0 GM-2BP-R0.25-M04 GM-2BP-R0.25-M06 GM-2BP-R0.3-M04 UM 不等齿高性能通用加工 PM 高性能通用加工 GM 通用加工 HM 硬加工 NM 铜加工 AL 铝加工 SM 难切削材料加工