Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/c0d21503056acf26cd07d46e8fb90c19.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 packings例句_packings英汉例句_packings双解例句_食材铺反向词典
Gel-permeation columns based upon soft gels still can be problematic, but you shouldn't worry when using silica-based packings. 凝胶渗透柱子基于软硅胶，所以仍然是个问题，不过你使用硅胶基的填料就不必担心。