ring gauge
柯林斯詞典
1. N a ring having an internal diameter of a specified size used for checking the diameter of a cylindrical object or part 環(huán)規(guī)[engineering] →compare plug gauge
返回 ring gauge
1. N a ring having an internal diameter of a specified size used for checking the diameter of a cylindrical object or part 環(huán)規(guī)[engineering] →compare plug gauge