使用这两种类型的设备，它变得非常容易设计印刷电路板。
Using both types of devices, it becomes very easy to design a printed circuit board .
这个测试程序适用任何类型象针脚，插座，继电器，电线，连接器，印刷电路板等电流通道载体或其结合体。
This test procedure may apply to any type or combination of current carrying members such as pin and socket contacts, relay contacts, wire and crimp connectors, or printed circuit board and contact.
应用本实用新型，可以不必因为匹配另一种封装类型的集成电路而重新设计印刷电路板。
The advantage of applying the utility model is that people does not need to redesign an etched circuit card in order to match an integrated circuit of another packing type.
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