calliper measure

例句：

1. 1.The engineer measured the length of the beam with a calliper.
   工程师用刻度尺测量了梁的长度。
2. 2. The doctor used a calliper to measure the patient's blood pressure.
   医生使用刻度尺测量了患者的血压。
3. 3. The carpenter used a calliper to measure the width of the door.
   木匠使用刻度尺测量门的宽度。