基本解释填料同根派生 packings相关词英汉例句Gel-permeation columns based upon soft gels still can be problematic, but you shouldn't worry when using silica-based packings.凝膠滲透柱子基於軟矽膠,所以仍然是個問題,不過你使用矽膠基的填料就不必擔心。packings更多例句