其它开关卡，例如7700型20通道差分复用模块，采用的是闭锁型继电器，无论是成对还是单独使用一个闸刀，偏移电压都是相同的。
Other CARDS, such as the Model 7700 20-channel Differential Multiplexer Module, use latching relays, and the offset voltage is the same whether the poles are used as a single pole or as a pair.
软件随后使用图形化程序帮助操作者将保险丝和继电器放置到合适位置（保险丝盒或是开关激活模块SAM）。
The software then graphically prompts the operator to place the fuses and relays in their proper positions in the fuse box or switch activation module (SAM).
软件随后使用图形化程序帮助操作者将保险丝和继电器放置到合适位置（保险丝盒或是开关激活模块SAM）。
The software then graphically prompts the operator to place the fuses and relays in their proper positions in the fuse box or switch activation module (SAM).
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