多楔带作为一种新型的传动带，具有许多优点。

Rubber poly v-belt is the new type transmission belt with a lot of ad-vantages.

youdao

多楔带作为一种新型的传动带，具有许多优点。

Rubber poly v-belt is the new type transmission belt with a lot of ad-vantages.

youdao