backward welding是什么意思

中文翻译後退熔接

网络释义

1)backward welding,後退熔接2)Go astern!,後退！3)Retrogressive slide,後退滑动4)Retrogressive slide,後退滑動5)finishing slag,炼後熔渣6)Then; following this,然後;其後;接著;就