常見例句Keywords steel-bonded carbide;WC particles;boronzing;microstructure;borides; 電渣熔鑄鋼結(jié)硬質(zhì)合金;WC粒子;滲硼;顯微組織結(jié)構(gòu);硼化物;boronzing treatment 滲硼處理 返回 boronzing