st20 (1)已发表 22/05/2017 at dimensions 640 × 640 在 Star瑞士型CNC自动车床 ST-20. 后页 → https://www.protechnic.com.hk/wp-content/uploads/2017/05/st20-1.jpg https://www.protechnic.com.hk/wp-content/uploads/2017/05/ST-20-1.jpg https://www.protechnic.com.hk/wp-content/uploads/2017/05/st20-2.jpg