将常用的喷雾器换个新喷头,就成了简易的化肥深施器。新喷头结构简单,由喷杆、接头、气门(自行车的气门亦可)和木螺钉等零件构成,制作简单:用铁锉扩大接头孔,直至气门刚好套入为度,将气门底打平展,再在油石上镗光滑,截去木螺钉尖端两圈螺线,插进气门嘴;钉尖端套入一个 The common sprayer for a new nozzle, it became a simple fertilizer deep device. The new nozzle has a simple structure and is composed of a spray bar, a connector, a valve (a valve of a bicycle can also be used) and a wood screw. The utility model is simple to make: the size of the connector hole is enlarged with an iron file until the valve just fits into the degree; Boring smooth again on the stone, cut off the two screws spiral wood screw tip, into the valve; nail tip into a