large_doctor-with-syringe-ready-for-injection-of-vaccine-2023-11-27-05-10-39-utc 1920x470.png

medium_doctor-with-syringe-ready-for-injection-of-vaccine-2023-11-27-05-10-39-utc 1920x470.png

使用微型步进马达，永磁直流马达及无刷马达的微量药物输送系统