常見(jiàn)例句Gel-permeation columns based upon soft gels still can be problematic, but you shouldn't worry when using silica-based packings.凝膠滲透柱子基于軟硅膠，所以仍然是個(gè)問(wèn)題，不過(guò)你使用硅膠基的填料就不必?fù)?dān)心。 返回 packings