短语词组短語ball guide screw drive 滾珠絲杠傳動ball -screw drive mechanism 滾珠絲杠進給系統Ball screw drive structural drawing 滾珠絲杠傳動結搆圖High precision ball screw drive 進口高精度滾珠絲杆傳動Ball screw for table drive 工作台傳動滾珠螺杆 返回 ball screw drive