The present invention relates to novel solventless reactive systems curable at room temperature, based on blocked polyisocyanates, primary amines, compounds with oxirane groups, and 2,3-dimethyl-3,4,5,6-tetrahydropyrimidine, and to processes for the preparation of these solventless reactive systems cu...
八零九零 第1集 (分享自@芒果TV) L八零九零 第1集 ¡查看图片 八零九零 第1集过三爽被迫给前任还债û收藏 转发 评论 ñ赞 评论 o p 同时转发到我的微博 按热度 按时间 正在加载,请稍候...Ü 简介: 我会坚持我所坚持的,雷打不动! 更多a 微关系 她的关注(610...
生活细碎,万物成诗 http://t.cn/RadIOjV