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双头箱式缝纫机
释义
纺织词汇手册
双头箱式缝纫机
double-head boxing machine
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RA--RA (Raman amplifier)
ra # ReadAudio音频文件
rare and valuable work
rarebit
rarebit
rare book
rare book
rare earth
rare-earth-cobalt permanent magnet
rare earth element
rare earth element
rare earth element
rare earth element
rare-earth element
rare-earth fast ion conductor
rare-earth garnet phosphor
rare-earth ion
rare-earth laser crystal
rare-earth lubrication material
rare-earth material
rare-earth metal
rare earth metal
rare earth metal
rare-earth orthoferrite magnetic bubble material
rare-earth oxysulfide
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