鑄件(jian)公測質量(liang)和被檢鑄件(jian)質量(liang)，應采(cai)取經計量(liang)檢測相關部門核檢合理的同(tong)樣一高精度層級的電子秤稱重。

  被檢鑄(zhu)件在(zai)秤量(liang)前(qian)應(ying)(ying)(ying)該清洗干靜，澆(jiao)道和冒(mao)口殘存應(ying)(ying)(ying)符合(he)水(shui)平的(de)條件約定的(de)特殊要(yao)求，有缺陷的(de)鑄(zhu)件應(ying)(ying)(ying)在(zai)進行修(xiu)復達標后秤量(liang)。

  鑄(zhu)件(jian)(jian)自(zi)重(zhong)(zhong)撿驗沒(mei)想到(dao)為上述(shu)倆種的(de)情(qing)況發(fa)生(sheng)之(zhi)五時(shi)，應(ying)分辨鑄(zhu)件(jian)(jian)自(zi)重(zhong)(zhong)測量誤(wu)(wu)差(cha)合理(li)：當鑄(zhu)件(jian)(jian)自(zi)重(zhong)(zhong)大過(guo)公(gong)稱(cheng)自(zi)重(zhong)(zhong)時(shi)，鑄(zhu)件(jian)(jian)自(zi)重(zhong)(zhong)測量誤(wu)(wu)差(cha)不(bu)多(duo)(duo)過(guo)鑄(zhu)件(jian)(jian)自(zi)重(zhong)(zhong)公(gong)差(cha)的(de)上測量誤(wu)(wu)差(cha)；當鑄(zhu)件(jian)(jian)自(zi)重(zhong)(zhong)不(bu)多(duo)(duo)過(guo)公(gong)稱(cheng)自(zi)重(zhong)(zhong)時(shi)，鑄(zhu)件(jian)(jian)自(zi)重(zhong)(zhong)測量誤(wu)(wu)差(cha)不(bu)多(duo)(duo)過(guo)鑄(zhu)件(jian)(jian)自(zi)重(zhong)(zhong)公(gong)差(cha)的(de)下(xia)測量誤(wu)(wu)差(cha)。撿驗沒(mei)想到(dao)為的(de)情(qing)況發(fa)生(sheng)時(shi)，應(ying)分辨鑄(zhu)件(jian)(jian)自(zi)重(zhong)(zhong)測量誤(wu)(wu)差(cha)相沖理(li)。