3 sentences

1. 这台机器采用链条传动。

   zhè tái jī​qì cǎi​yòng liàn​tiáo chuán​dòng.

   This machine uses a chain drive.

   Source: Dong Chinese Dictionary

2. 他给自行车的链条上了点油。

   tā gěi zì​xíng​chē de liàn​tiáo shàng le diǎn yóu.

   He put some oil on the bicycle chain.

   Source: Dong Chinese Dictionary

3. 链条又断了。

   liàn​tiáo yòu duàn le.

   The chain has snapped again.

   Source: OpenSubtitles