... bus board 汇流排连接板 bus change-over switch 汇流排换向开关 bus compartment 汇流排隔离室 ...
基于36个网页-相关网页
... 水银换向开关 mercury reversing switch 汇流排换向开关 over switch 励磁换向开关 field reversing switch ...
基于8个网页-相关网页
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bus changeover switch
bus change-over switch
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