针对上月发生的多次混料事故的翻译：For the mixture several times last month 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

For mixing accident occurred several times in last month

For the mixture several times last month

Had many times the mixture accident in view of the last month

Many times the last month for mixing an accident

For the mixture several times last month