由于外壳A与B相同，用B取代A，简化BOM的翻译：Due to shell a and b are the same, replaced by b a, simplify the BOM 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

As the same case a and b, with b replacing a, simplified bom

Due to shell a and b are the same, replaced by b a, simplify the BOM

Because outer covering A and B are same, substitutes for A with B, simplifies BOM

Shell A B due to replace A B same, used to simplify BOM

Due to shell a and b are the same, replaced by b a, simplify the BOM