tempered steeltempering steel回火: tempering; draw the temper; ...钢: sharpen; strop; whet高温回火钢: high temper steel; high-temper steel; high-tempersteel油回火钢丝: oil temper wire; oil tempered wire中等回火钢: medium temper steel; medium-temper steel下载手机词典可随时随地查词查翻译