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?????327???400--500???????????? ?????100?/????50?/????????50?/0.05/????????????????????50?/?????30?/?????????????10--15?/

??LD5070mg/kg(?)
???10g/m3?3040?????(ALAD)?80%90%?????150200 g/100ml??10g/m3312??????60%??0.01mg/m3???????????

?????1g/m3???????12g/100ml????10%???10g?? ??618g/100ml??????????(?76%)?(?16%)????????????
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