enamel gauging tank

例句：

1. 1. The engineer used an enamel gauge to measure the wall thickness.
   工程师使用合金测厚仪测量墙壁的厚度。
2. 2.The enamel gauge was used to ensure that the steel plates were properly welded together.
   合金测厚仪被用来确保钢板正确焊接在一起。
3. 3. The enamel gauge was crucial in determining the quality of the welding process.
   合金测厚仪在确定焊接过程的质量中起着关键作用。