“ZCuZn40Pb2”写句子 用ZCuZn40Pb2造句大全

Effects of Ti Modification on As-cast Microstructure and Mechanical Properties of ZCuZn40Pb2 Alloy

Effects of B, Ti, Zr Composite Modification on As-cast Microstructure and Mechanical Properties of Permanent Mold Casting Lead Brass ZCuZn40Pb2