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  "pic_intro" => "挂车轮毂和存根组件免费下载 车轮 轴承 枢纽 拖车 车轮 轴承 轴 存根 3D模型素材 其他3D模型"
  "pic_intro_new" => "挂车 轮毂 存根 组件 车轮 轴承 枢纽 拖车 轴 3d模型素材 其他3d模型"
  "pic_intro_new_pinyin" => "guache lungu cungen zujian chelun zhoucheng shuniu tuoche1 zhou1 sandmoxingsucai qitasandmoxing"
  "pic_category_id" => 493
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  "pic_category_top" => 1
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  "pic_upload_ymd" => "2015-08-14 12:22:07"
  "pic_preview_detail_width" => 1200
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  "pic_extension_des" => "stl"
  "pic_color_mode" => "rgb"
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  "pic_id" => 8234648
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  "pic_resource_height" => 338
]