粗轧机后延伸宽辊道和延伸窄辊道（各一组）的翻译：Extended wide roller extends and narrow after roughing mill roller (various groups) 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Roughing mill extension after extension of narrow-width roller and roller (one each group)

Extended wide roller extends and narrow after roughing mill roller (various groups)

After the roughing mill extends the width table and extends the narrow table (each group)

After rough roller width roller and an extension extending narrow roller (the Group)

Extended wide roller extends and narrow after roughing mill roller (various groups)