Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/d578bc1b5ed82c26555205cd7fabc148.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 pu pickup例句_pu pickup英汉例句_pu pickup双解例句_流逝汉英词典
When the pickup is exceed the critical value, the softness of PU leather based nylon-6 is lower than which based on polyester. 当上浆率超过一临界值时，锦纶基布聚氨酯合成革已不如涤纶基布聚氨酯合成革柔软。