jacket gage

例句：

1. 1. The engineer used a jacket gage to measure the thickness of the steel plate.
   工程师使用夹克量规来测量钢板的厚度。
2. 2. The construction workers used a jacket gage to check the accuracy of their work.
   建筑工人使用夹克量规来检查他们的工作的准确性。
3. 3. The safety inspector used a jacket gage to ensure that all equipment was in proper working order.
   安全检查员使用夹克量规来确保所有设备都在正常工作状态。