blood-pressure meters

• 血压计

blood-pressure meters的用法和样例：

例句

1. At whose blood pressure measuring is the earliest tonometer used?
   最早的血压计用于测量谁的血压？
2. When arteries pulsate,the volume of the pipeline of the detector changes,so the pressure in it also changes.
   借鉴袖带式血压计拾取压力波的方法。