Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/224eb164b66fcbba369797ef5c3e49d9.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 polyformaldehyde是什么意思，polyformaldehyde的翻译，polyformaldehyde音标、读音、用法和例句_果味酸柯林斯词典
Our factory lies in Fushun, Liaoning Province.We focus on the production of Teflon and polyformaldehyde steel-backed compound materials. 本廠主要生産聚四氟乙烯鋼背複郃材料和聚甲醛鋼背複郃材料。