It can satisfy sowing various seeds in size through changes the needles ; can be suitable for cave - plates with different holes through changes the dibble - heads and needles " fixing skeletons and sowing die ; can realize manual sowing and automatic sowing 通过更换不同的吸针,可满足播不同大小的种子。通过改变打洞头、吸针固定架和播种模具,可用于不同穴数的穴盘。