The present state of non asbestic friction material production in China and requirement in early years of 21st century are presented.
分析了我国非石棉摩擦
产的现状及21世纪初的需求量;
The present state of non asbestic friction material production in China and requirement in early years of 21st century are presented.
分析了我国非石棉摩擦产的现状及21世纪初的需求量;
明：以上例句、词性分类均由互
源自动
成，部分未经过人工审核，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。
