其原因是链条节距因磨损增长，传动时打折卡住抻断。

The reason is that pitch chain growth due to wear and tear, transmission stuck at a discount off stretch.

youdao

其原因是链条节距因磨损增长，传动时打折卡住抻断。

The reason is that pitch chain growth due to wear and tear, transmission stuck at a discount off stretch.

youdao