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如图所示为火车车轮在转弯处的截面示意图轨道的外轨高于内轨在此转弯处规定火车的行驶速度为v．若火车通过此弯道时超速了则火车的轮缘会挤压外轨 Template






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sketch 2486 Face by sketchmaster
sketch 3321 Baby Mirella Flowers
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sketch 2788 Yuno Gasai from Mirai Nikki by Cristina Love
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sketch 5191 The View by Vicente Vera
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sketch 3769 The Beatles by يآآسر محمد
sketch 2976 A girl watches the moon
sketch 2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko
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sketch 4405 Cat by Nizamuddin Shuja
sketch 3693 Lucy from Elfen Lied by Simona Honigmelone
sketch 3388 Fight Club by Alvaro Velasquez
sketch 3651 Istanbul by DjDarío GT





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