短语词组短语hot -extrusion technology 热挤压工艺hot creep extrusion 热挤加工hot creep extrusion molding 热挤模塑hot melt extrusion 热熔挤出hot invert extrusion 热反挤hot melt extrusion technology 热熔挤出技术vacuum canning hot -extrusion 真空包套热挤压 返回 hot extrusion