扩展口：在电脑外面，用来接驳另一部处理机、额外存储器或外圈部件的任何插座。
Expansion port: Any socket on the out side of a computer through which an additional processor, extra memory or a peripheral can be connected.
扩展口：在电脑外面，用来接驳另一部处理机、额外存储器或外圈部件的任何插座。
Expansion port: Any socket on the out side of a computer through which an additional processor, extra memory or a peripheral can be connected.
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