zhè / tái / jī / qì / lǐ / de / bēng / huáng / yǐ / jīng / lǎo / huà / xū / yào / jí / shí / gēng / huàn

这台机器里的绷簧已经老化，需要及时更换。

The spring inside this machine has worn out and needs to be replaced promptly.