??????????????????????

????:??48??????:QQ?????????

???????????????????6????????????11?? (?????????????????????????? ??)????11???????????????????????,??????SL1000????????????????????,???

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???????????????,?(????????????????)?,????840????????????,???100+???????????????????????

????,?????????????????????????????????,?????????????????????????,???

??:“?????SL400????100mK(-273.05?)????400??????,?????SL1000?????1000?????????????,???????????????1.5??????3???”

????,??????????????SL1000???????????????????,??????,??“?”?????????????????“?”?(??????) ??????????????:???????