gōng / chéng / shī / tōng / guò / jià / zhí / gōng / chéng / jiàng / dī / le / chǎn / pǐn / chéng / běn / tóng / shí / bǎo / chí / le / yuán / yǒu / xìng / néng

工程师通过价值工程降低了产品成本，同时保持了原有性能。

The engineers used value engineering to reduce product costs while maintaining the original performance.