红血球计数器

例句：

1. 1. The doctorused a red blood cell counter to check his patient's blood count.
   医生使用红细胞计数器检查病人的血液计数。
2. 2.The nurse carefully read the results from the red blood cell counter.
   护士仔细阅读了红细胞计数器的结果显示。
3. 3. The technician was instructed to use the red blood cell counter to analyze the patient's blood samples.
   技术人员被指示使用红细胞计数器分析患者的血液样本。