Warning: file_put_contents(/www/wwwroot/ppbbu/3350.cn/cache/5e64739f6b8b849ab3646e9608c66e19.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/3350.cn/index.php on line 58 polyformaldehyde是什么意思,polyformaldehyde的翻译,polyformaldehyde音标、读音、用法和例句_万杯洁海词词典
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。