| 释义 | 
             
                back arc spreading
                
            辗压niǎn yā 
 spreading灭弧miè hú 
 arc extinction; arc extinguishing; arc suppressing; arc blow-out焰弧yàn hú 
 flame arc灭弧器miè hú qì 
 arc extinguisher; arc suppressor; arc extinguish device; quencher; arc deflector罚球弧fá qiú hú 
 penalty arc弧光hú guāng 
 arc light; arc劣弧liè hú 
 inferior arc; minor arc弧光灯hú guāng dēng 
 arc lamp, arc light弧长hú zhǎng 
 arc length; length of arc熄弧xī hú 
 quenching of arc; arc blowout灭弧室miè hú shì 
 arc extinguish chamber; explosion chamber; arc chute; arc suppressing transformer弧hú 
 arc; bow背对背bèi duì bèi 
 back to back脊梁jǐ liáng 
 back汞弧gǒng hú 
 mercury arc弧焊hú hàn 
 arc welding弧隙hú xì 
 arc gap项背xiàng bèi 
 a person's back脊背jǐ bèi 
 back挺身tǐng shēn 
 straighten one's back送回sòng huí 
 remand; lay back; give back; send back; get back电弧焊diàn hú hàn 
 arc welding反射弧fǎn shè hú 
 reflex arc弧弹性hú dàn xìng 
 arc elasticity弧坑hú kēng 
 crater; arc crater
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