The cartouche-shaped box has a floral motif on top and the sides of the box are set with 30 seed pearls above vertical coloured panels divided by flower motifs.
这个椭圆形盒子有以花卉为主题雕饰的盒盖，侧面上方镶嵌着一圈30颗小珍珠，其下有长条状设色镶板，同样以花卉图案隔开。
To improve the rice vertical disk seed sowing device function, find out affect sow key factor. According to the country GB-6973-86to measures the sowing seed function.
为了改善水稻垂直圆盘气吸式排种器的排种性能，找出影响其排种性能的关键因素，按照国标GB-6973-86《单粒（精密）播种机试验方法》中排种指标的计算方法来衡量排种性能。
应用推荐