| 释义 | 
             
                dropable ballast
                
            沙囊shā náng 
 ballast压舱物yā cāng wù 
 ballast镇重物zhèn zhòng wù 
 ballast镇流管zhèn liú guǎn 
 ballast tube; ballast lamp; amperite压舱yā cāng 
 ballasting压载物yā zǎi wù 
 ballast镇流器zhèn liú qì 
 ballast电子镇流器diàn zǐ zhèn liú qì 
 electronic ballast镇流电阻器zhèn liú diàn zǔ qì 
 barretter; ballast resistor
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