Carbon fiber frame is very light, it is its density and strong tensile strength.
碳纤维车架非常轻，这是它的密度和强的拉伸强度构成的。
High quality meat chicken had close relation with the muscle fiber diameter and density.
优质肉鸡的肌纤维直径和密度与肌肉品质之间有密切关系。
High quality meat chicken had close relation with the muscle fiber diameter and density.
优质肉鸡的肌纤维直径和密度与肌肉品质之间有密切关系。
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