support_buy_for_self 礼品卡货架是否支持买给自己,填true或者false,若填true则支持,默认为false 否 banner_pic_url 礼品卡货架主题页顶部banner图片,须先将图片上传至CDN,建议尺寸为750px*630px 是 theme_list 主题结构体,是一个JSON结构 是 category_list 主题分类列表 否 address 商家地址 是 service_phone ...
It is also found that the design parameters for the heat-insulating layer are greatly affected by the tunnel ventilation conditions and heat-insulating materials. Keywords: cold region tunnel; anti-freezing behavior; heat-insulating layer; tunnel ventilation; temperature field 1. Introduction In cold ...