Nail-headed phosphorus phosphorus next sentence

There is more phosphorus in the nail head than in the corn. According to relevant information, this poem comes from Du Fu's Epang Palace Fu. Poetry is "the rafters of the beam are more than the working women on the plane;" Nail head phosphorus injection 28, more than millet injection 29; The joints of ceramic tiles are uneven, more than the whole body silk; Epanggong Fu is a prose of Fu style created by Du Mu, a writer in the Tang Dynasty, which satirizes the present by borrowing the past. By describing the construction and destruction of Epang Palace, Du Mu vividly summed up the historical experience of the rulers of the Qin Dynasty who were arrogant, imperious and extinct.