case hardended steelcase hardened steelcase hardered steelcase steelcasehardenedcase-hardened steelcase-hardened steercemented steelsurface hardened steelsurface-hardened steel表面硬化: case hardening钢: sharpen; strop; whet顶面硬化钢轨: surface hardening rail表面硬化: case harden; case hardening; surface hardening◇表面硬化玻璃 case-hardened glass; 表面硬化法 chapmanizing; 表面硬化钢 cement steel; 表面硬化渗碳剂 case-hardening carburizen表面硬化的: case hardened; face hardened; face-hardened; hard faced下载手机词典可随时随地查词查翻译