multi-layer injector

例句：

1. 1. This multi-layer injector is designed to deliver precise doses of medication.
   这款多层注射器设计用来精确输送药物剂量。
2. 2.The medical team used a multi-layer injector to treat the patient's wound.
   医疗团队使用多层注射器治疗病人的伤口。
3. 3. The new drug delivery system employs a multi-layer injector to improve patient compliance.
   新的药物输送系统采用多层注射器以提高患者的依从性。