求翻译：炼油化工成品优级品率按产量进行统计是什么意思？

Refinery finished quality product rate statistics by volume

oil refining chemical finished grade production rate was based on a statistical

The gasoline analysis informs the refinery product quality testing room by the oil quality storage and transport factory dispatcher to carry on “empties Canada entire” the analysis, if appears the unqualified project, belongs adds the medicinal preparation to compound, adds the medicinal preparation

Refinery production-grade product rate of yield for statistics

Refinery production-grade product rate of yield for statistics