precision gauge block造句

例句与造句

1. There had already been a long history of increasing use of gauges up to this time, such as gauges for filing and go / no go gauges, which were custom-made individually in a toolroom for use on the shop floor; but there had never been super-precision gauge blocks that could be wrung together to make up different lengths, as Johansson now envisioned.
2. It's difficult to find precision gauge block in a sentence. 用precision gauge block造句挺难的