Warning: file_put_contents(/www/wwwroot/ppbbbu/oiqp.com/cache/89adf734466927e2b199b74e1017bc34.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 polyformaldehyde例句_polyformaldehyde英汉例句_polyformaldehyde双解例句_奇葩剧汉英词典
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。