常见例句双语例句Fiberglass stitched mat is used in unsaturated polyester resin strenthen, primarily in pultrusion, RTM, filament winding and hand lay-up processed.并适用于拉挤成型、注射成型（RTM）、缠绕成型、手糊成型等玻璃钢成型工艺。 返回 mat lay-up