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回扫电子束 逆程电子束
returnscanningbeam  detail>>
回扫电子束
return scanning beam  detail>>
逆程电子束
return scanning beam  detail>>
电子束逆(行)程
beam return  detail>>
电子束回扫
beam return  detail>>
电子束回扫时间
beam retrace time  detail>>
电子束
electron beam; pencil; bunch of electrons; bundle of electrons; cathode beam; cathode-ray beam; cath...  detail>>
电子群, 电子束
packet of electrons  detail>>
电子束电子
beam electrons  detail>>
电子束压焊, 电子束焊
electron beam bonding  detail>>
保持电子束
holding beam  detail>>
带状电子束
stripe electron beam  detail>>
单电子束
single electronic beam  detail>>
单电子束管
single electron beam tube  detail>>
单能电子束
monoenergetic electron beam single energy electron beam  detail>>
单速电子束
single velocity electron beam  detail>>
电子束(电磁波)
electric ray rags electrico ,has electrico  detail>>
电子束摆动
beam jitter  detail>>