Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/42c768fb3f1d05808c14b94f5800d20a.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 non-woven felt例句_non-woven felt英汉例句_non-woven felt双解例句_欧米惠必应词典
PTFE and ACM bond together. In order to improve the dustproof effect, dustproof lip is designed made of felt or non-woven fabrics. Now the 4 PTFE材料与ACM橡胶采用粘接式。为提高防尘效果，防尘唇可采用毛毡或无纺布。现在已经开发到第4代产品。