短語詞組短語ball guide screw drive 滾珠絲杠傳動ball -screw drive mechanism 滾珠絲杠進給系統(tǒng)Ball screw drive structural drawing 滾珠絲杠傳動結構圖High precision ball screw drive 進口高精度滾珠絲桿傳動Ball screw for table drive 工作臺傳動滾珠螺桿 返回 ball screw drive