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马钱子中士的宁的含量为( )

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4.0%~5.0%  1.20%~2.20%  5.O%~8.O%  3.0%~3.5%  0.2%~2%  
30.0%~37.0%  21.026~26.0%  18.0%~20.0%  1.78%~2.82%  0.78%~0.82%  
30.0%~37.0%  21.026~26.0%  18.0%~20.0%  1.78%~2.82%  0.78%~0.82%  
5.0%~8.0%  4.0%一5.0%  3.0%一3.5%  1.20%~2.20%  0.2%~0.2%  
5.0%~8.0%  4.0%~5.0%  3.0%~3.5%  1.20%~2.20%  0.2%~0.2%  

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