quenched-and-tempered steel是什么意思 quenched-and-tempered steel在线中文翻译

quenched-and-tempered steel

中文翻译
1
调质钢;凳钢
相关单词
steel

相关单词辨析

or: 或者,否则,常用于否定句中 I don't like apples or bananas. Hurry up or you'll miss the bus.
and: 并且,Hurry up and you'll catch the bus.