石棉纤维制成的，橡胶及耐热包装材料、压缩到厚纸。

Made of asbestos Fibre, rubber and heat-resisting packing material, compressing it to thick paper.

youdao

石棉纤维制成的，橡胶及耐热包装材料、压缩到厚纸。

Made of asbestos Fibre, rubber and heat-resisting packing material, compressing it to thick paper.

youdao