casing gage

例句：

1. 1. The engineer used thecasing gage to measure thethickness of the shell.
   工程师使用外壳厚度规来测量壳体的厚度。
2. 2. The casing gage was used to ensure thatthe product met the required specifications.
   外壳厚度规被用来确保产品符合规定的规格。
3. 3. Thecasing gage was used tocheck the accuracy of the measurements taken bythe technician.
   外壳厚度规被用来检查技术人员所做测量的准确性。