The present state of non asbestic friction material production in China and requirement in early years of 21st century are presented.
分析了我
棉摩擦材料
产的现状及21世纪初的需求量;
棉的,不燃性的The present state of non asbestic friction material production in China and requirement in early years of 21st century are presented.
分析了我棉摩擦材料产的现状及21世纪初的需求量;
明：以上例句、词性分类均由互联网资源自动
，
分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
