可以先多參加下類似的展會(huì)看看.baidu.com/zhidao/wh%3D450%2C600/sign=9cac8884e8fe9925cb596154019872e9/6159252dd42a2834921ea64a53b5c9ea15cebf33.hiphotos://g.baidu.com/zhidao/wh%3D600%2C800/sign=555b11fe845494ee8777071f1dc5ccc6/6159252dd42a2834921ea64a53b5c9ea15cebf33://g.baidu，比如2016年斯特拉斯堡國(guó)際發(fā)明展覽會(huì) .hiphotos.jpg" target="_blank" title="點(diǎn)擊查看大圖" class="ikqb_img_alink">