在橡胶制造和挤出的许多领域中，齿轮泵正获得越来越多的认同。

Gear pumps are gaining acceptance in the many areas of rubber manufacturing and extrusion.

youdao

在橡胶制造和挤出的许多领域中，齿轮泵正获得越来越多的认同。

Gear pumps are gaining acceptance in the many areas of rubber manufacturing and extrusion.

youdao