injector condenser

例句：

1. 1. The injector is used to deliver medication directly into the patient's bloodstream.
   注射器用于直接将药物输送到患者的血液循环中。
2. 2. The condenser is responsible for removing moisture from the air before it enters the furnace.
   冷凝器负责在空气进入炉膛之前去除水分。