筛去焦末和不合格的试样的翻译：Screen to end of coke and unqualified specimen 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

Sieve the end of the defocus and the failure of the specimen

Screen to end of coke and unqualified specimen

Screens out the dust coke and the unqualified test specimen

Sieve to focus and not the end of the eligible sample

Screen to end of coke and unqualified specimen