Trace water -feed

The application provides a trace water -feed, it includes: supply water stand, including the casing, the casing both sides are equipped with the spiral shell respectively and close the end, and the spiral shell closes the end can install the spiral shell head, and the casing is inside is formed with the passageway, and the casing top is equipped with the pedestal, and the well cardiocele of pedestal has the lug, is provided with the infiltration piece on the lug, and the both sides undercut of lug to be in order forming the delivery port, and the delivery port has a perfect understanding to the passageway in, and combine to have the mounting of plate body on the lug, wherein, spiral shell head spiral shell closes spiral shell at casing both ends and closes and serve, and the spiral shell head is used for fixed waterline, the infiltration piece is made by porous crack material, and infiltration piece cover is put at the lug peripherally, the fixed infiltration piece of plate body, and the mounting break -over