needle lifting cam

例句：

1. 1. The needle lifting cam is responsible for the accurate positioning of the needle during the injection process.
   针提升装置负责在注射过程中准确定位针头。
2. 2. The needle lifting cam is a crucial component in the medical device, ensuring that the needle is insertedaccurately and safely.
   针提升装置是医疗设备中的关键部件，确保针头被插入时准确且安全。
3. 3. In the manufacturing process, the needle lifting cam is used to ensure that the needle is inserted at the correct angle and depth.
   在生产过程中，针提升装置用于确保针头以正确的角度和深度插入。