Single core cable shall be installed in either trefoil or flat formation and secured using cleats.
单芯电缆可以用三叶草法或者平直法植入.并用夹板固定.
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Trefoil key pendant in sterling silver. 2.25 " long. Chain sold separately. "
纯银三叶草钥匙吊坠. 2.25 英寸长. 可单独出售项链.
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The expression of trefoil factor ( TFF) was determined by molecular biology techniques. Results: 1.
利用分子生物学技术,通过测定三叶因子(TFF2)表达情况评价治疗效果。
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Trefoil factor family ( TFF) peptides are a group of factors protecting the gastrointestinal mucosa.
三叶因子家族(trefoil factor family,TFF)是一类对胃肠粘膜有保护作用的因子。
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