gōng / chéng / shī / cè / liáng / le / cái / liào / de / lì / jìng / yǐ / biàn / tiáo / zhěng / shēng / chǎn / cān / shù

工程师测量了材料的粒径，以便调整生产参数。

The engineer measured the material's grain size to adjust the production parameters.