<span style、"font-family: 宋体; font-size: small;"><span>产品部式结构</span></span>
<span style、"font-family: 宋体; font-size: small;"><span>多部门结构</span></span>
<span style、"font-family: 宋体; font-size: small;">M<span style="font-size: small;">型结构</span></span>
<span style、"font-family: 宋体; font-size: small;">W<span style="font-size: small;">型结构</span></span>