single-tube manometer

例句：

1. 1. The doctorused a single-tube manometer tomeasure the patient's blood pressure.
   医生使用单管气压计来测量病人的血压。
2. 2. During the experiment, the scientistcarefully monitored the changes in the gas pressureusing a single-tube manometer.
   在实验过程中，科学家小心地使用单管气压计监测气体压力的变化。
3. 3. Theengineer was required to demonstrate the accuracy ofthe single-tube manometer during theinspection.
   工程师在检查期间被要求展示单管气压计的准确性。