Warning: file_put_contents(): Only 0 of 6132 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 polyformaldehyde例句_polyformaldehyde英汉例句_polyformaldehyde双解例句_乐豆毛深蓝词典
Our factory lies in Fushun, Liaoning Province.We focus on the production of Teflon and polyformaldehyde steel-backed compound materials. 本厂主要生产聚四氟乙烯钢背复合材料和聚甲醛钢背复合材料。