用M42造句子,“M42”造句
來源:國語幫 9.48K
3、Study on sintering process of P/M M42 high speed steel prepared by spark plasma sintering
1、Development M42 HSS High-Friction Welding Process;
2、Effect of Quenched Grain Size and Tempered Carbide on Wearability of M42 High-speed Steel