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:2/13,4/11,2/3,8/7,2,()。A.4/5B.4C.5/3D.3
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6,7,5,8,4,9,()A.5B.10C.3D.4
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6,7,5,8,4,9,()A.5B.10 C.3D.4
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6,7,5,8,4,9,()A.5B.10C.3 D.4
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6,7,5,8,4,9,()A.5B.10C.3 D.4
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乳膏剂酸碱度一般控制在pH在A.4.2~11.0B.3.5~7.3C.4.4~8.3D.5.1~8.8E.6.3~9.5
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一般注射液的pH为A、3~5B、8~10C、5~7D、4~9E、7~11