So, first, I turn the dose selector to the flow check symbol. Next, press and hold in the dose button until the dose counter shows 0, and the 0 must line up with the dose pointer. 首先 准备好注射笔和新针头。然后确认笔上标签与处方开具的药物一致，笔中的液体不是浑浊的 你看 应该像这样清澈 copyright é 1 remé especialmentedio Adequado de modo a este tratamento https://youtube.com/shorts/k4PCcI7-tRQ?feature=share