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鑄(zhu)(zhu)造功(gong)能(neng)(neng)(neng)(neng)主(zhu)要(yao)(yao)是指合金(jin)(jin)(jin)(jin)的(de)鑄(zhu)(zhu)造功(gong)能(neng)(neng)(neng)(neng)，合金(jin)(jin)(jin)(jin)的(de)鑄(zhu)(zhu)造功(gong)能(neng)(neng)(neng)(neng)主(zhu)要(yao)(yao)是指合金(jin)(jin)(jin)(jin)的(de)流動功(gong)能(neng)(neng)(neng)(neng)和(he)起酥(su)油功(gong)能(neng)(neng)(neng)(neng)。如果鑄(zhu)(zhu)件的(de)結構不能(neng)(neng)(neng)(neng)滿(man)足合金(jin)(jin)(jin)(jin)鑄(zhu)(zhu)件功(gong)能(neng)(neng)(neng)(neng)的(de)要(yao)(yao)求，則可能(neng)(neng)(neng)(neng)存在(zai)諸如澆鑄(zhu)(zhu)不足，冷關，收縮孔隙率，孔隙率，裂紋(wen)和(he)變形等缺陷(xian)。