多功能坐水点种器主要由注水管、下籽管及打孔器组成。打孔器为三通联接件 ,两口平行向上 ,一口向下并做成斜口 ;注水管和下籽管的下端固定在打孔器的两平行孔内 ,上部由联接片相联 ;注水管的上端装有手柄 ,手柄内装有阀门 ,手柄上装有进水口和水阀开关 ;打孔器下端装有活动封 Multi-functional water sit-point device mainly by the water pipe, the seed tube and hole punch composition. The punch is a three-way connector, two parallel upward, one down and made of oblique mouth; the lower end of the water pipe and the lower seed pipe fixed in the hole parallel to the hole punch, the upper connected by the connection plate; The upper end is equipped with a handle, the handle is provided with a valve, the handle is provided with a water inlet and a water valve switch; the lower end of the hole punch is provided with a movable seal