ballonet fullness indicator

例句：

1. 1. The doctor used a ballonet fullness indicator to measure the patient's blood pressure.
   医生使用一个球囊充盈指示器来测量患者的血压。
2. 2. During surgery, the surgeon uses a balloon inflater to expand the abdominal cavity.
   在手术中，外科医生使用一个气球膨胀器来扩张腹腔。
3. 3.The balloon pressure indicator displayed on the monitor indicated that the inflation pressure was within normal range.
   显示屏上的气球压力指示器显示，充气压力在正常范围内。