采用精确齿轮直接咬合的传动方式，传动精度更高，使用寿命更长。

Since precise gear-occlude directly transmission is adopted, transmission precision is higher and longevity is longer.

youdao

采用精确齿轮直接咬合的传动方式，传动精度更高，使用寿命更长。

Since precise gear-occlude directly transmission is adopted, transmission precision is higher and longevity is longer.

youdao