haematimeter

例句：

1. 1. The doctor used a haematimeter to measure the patient's blood pressure.
   医生使用一个血液计量器来测量病人的血压。
2. 2. The haematimeter showed that the patient had a low hemoglobin level.
   血液计量器显示病人的血红蛋白水平很低。
3. 3.He was surprised when he saw his hematocrit reading on the haematimeter.
   当他看到血液计量器的红细胞计数时，他感到惊讶。