| 释义 | 
             
                reperforator switching
                
            关掉guān diào 
 switching; breaking包交换技术bāo jiāo huàn jì shù 
 Packet Switching交换信息包jiāo huàn xìn xī bāo 
 switching packets切换阀qiē huàn fá 
 changeover valve; switching valve档机车dàng jī chē 
 shunting locomotive; trammer; switching locomotive
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