product types

• 产品类型

product types的用法和样例：

例句

1. The attempted role change cannot occur on the current product type.
   尝试的角色更改无法发生在当前的产品类型。
2. The tests outlined in each of these standards are the minimum requirement for each product type.
   每一条标准中所提到的测验是每一个产品类型的最低要求。