摘要：山东某厂ZG03Cr22Ni5Mo3N泵盖存在皮下气孔缺陷。经分析原因。采取了适宜的措施，消除了铸件皮下气孔缺陷，泵盖成品率显著提高。
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Journal of Systems Science and Complexity Chinese Optics Letters Advances in Atmospheric Sciences Chinese Annals of Mathematics,Series B Chinese Physics C Nuclear Science and Techniques Science China Mathematics Research in Astronomy and Astrophysics Journal of Systems Engineering and Electronics Transactions of Nonferrous Metals Society of China Chinese Annals of Mathematics Series B Chinese Physics B