聚氨酯发泡机工作原理有高速叶轮型、高压空气型、鼓风中低压型等三类。

Thee working principle of polyurethane foaming machine has three kinds, such as high speed impeller type, high pressure air type, low pressure type and so on.

youdao

聚氨酯发泡机工作原理有高速叶轮型、高压空气型、鼓风中低压型等三类。

Thee working principle of polyurethane foaming machine has three kinds, such as high speed impeller type, high pressure air type, low pressure type and so on.

youdao