数据库错误: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1] SELECT * FROM `doc_models_set` WHERE channelId =
HL600 is one kind of synthetic latex, which is polymer by sty-renee/acrylate.lt has the characteristics of fine particles andstrong sealing.The adhesive film is tough. lt has stroung adhe-sion to the substrate, and alkali resitance, strong sealing resis.t