| 释义 | 
             
                symmetrical attenuator
                
            对称duì chēng 
 symmetry; symmetrical对称的duì chēng de 
 symmetrical衰减器shuāi jiǎn qì 
 attenuator; attenuation pad; dimmer均匀的jun1 yún de 
 even, symmetrical, well-proportioned匀称yún chēng 
 symmetry; well-proportioned; well-balanced; symmetrical
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