介绍用两台挤出机共挤复合三层塑料管材机头的模具设计。

Extrusion die design for compound triple-layer plastic pipe by two extruding machines is introduced.

youdao

介绍用两台挤出机共挤复合三层塑料管材机头的模具设计。

Extrusion die design for compound triple-layer plastic pipe by two extruding machines is introduced.

youdao