同类产品不同型号规格专业化分工的英文

specialization in different types and

• 同类:    the same kind
• 产品:    product; produce; ...
• 不同:    not alike; differe ...
• 型号:    model; type; marki ...
• 规格:    specifications; no ...
• 专业化分工:    division of labour ...