Plastic honeycomb pipes are introduced about their backgrounds, materials, shapes of cross section, types of products and fittings.

介绍塑料多孔管的开发应用背景，所用材料、截面形状、类型、接头等技术特征及其优点。

youdao

Plastic honeycomb pipes are introduced about their backgrounds, materials, shapes of cross section, types of products and fittings.

介绍塑料多孔管的开发应用背景，所用材料、截面形状、类型、接头等技术特征及其优点。

youdao