gōng chéng shī / yòng / kǎ chǐ / jiǎn chá / le / guǎn dào / kǒng jìng / shì fǒu / fú hé / yāo qiú

工程师用卡尺检查了管道孔径是否符合要求。

The engineer used a caliper to check whether the pipe's hole diameter met the requirements.