... rail of self-hardening steel 自淬硬钢钢轨 surface hardening rail顶面硬化钢轨 bottom end rail 集装箱下横梁 ...
双语例句
1
Processing technology to shore up the axle, the right rail Induction surfacehardening is a key process, quenching determines the quality of care dealing with the use of effects and life axle.