对于通过WidgetCo生产的每一种独特类型的部件，IT部门的编程人员编写了实现Widget接口的类。

For each unique type of widget manufactured by WidgetCo, the it department's programmers write a class that implements the widget interface.

youdao

对于通过WidgetCo生产的每一种独特类型的部件，IT部门的编程人员编写了实现Widget接口的类。

For each unique type of widget manufactured by WidgetCo, the it department's programmers write a class that implements the widget interface.

youdao