用ZCuZn40Pb2造句子,“ZCuZn40Pb2”造句
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Effects of B, Ti, Zr Composite Modification on As-cast Microstructure and Mechanical Properties of Permanent Mold Casting Lead Brass ZCuZn40Pb2
Effects of Ti Modification on As-cast Microstructure and Mechanical Properties of ZCuZn40Pb2 Alloy