订货 0rder   这是一堆金属，重量大。国内快递空运邮费高，合适物流运输性价比好，正常运输时间一个星期到你县市自提 This is a pile of metal and heavy. Domestic express air shipping postage rates higher, 不急用时建议选择的运输方式  appropriate logistics and transport price/performance good, the normal transit time for a week to your city and County, it is recommended that orders in the on-demand logistics and transport



============================================== 车型示意图： modle diagram