The relationship of tearing force and sample location about sheepskin garment grain leather
绵羊正面服装革撕裂力与取样部位的关系
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The force, in gram, required to tear the paper eo a certain length gives the edge tearing strength.
撕到一定长度所需的力量,以克表示,就是它的纸边撕裂度。
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这句话是说在M87的中间,行星运用一种重力不让彼此互撞而撕裂。
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