?双频间隔
separation of tread ==> 胎面剥落 separation of two frequencies ==> 双频间隔,两频率间的间隔 separation of upper epiphysis of tibia ==> 胫骨上骨骺分离,胫骨上骨骺分离 ..
?两频率间的间隔
... 两面磨光嵌网玻璃 saferite 两频率间的间隔 separation of two frequencies 严厉批评 stricture ...
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