磁力搅拌器(TH-C),磁力搅拌器,其它化学器具,磁力搅拌器(TH-C)生产制造商...
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TH-GM-C 实验室台
c th 德寿县
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同义词: tetrahydrocannabinol
以上来源于: WordNet
ABBREVIATION for tetrahydrocannabidinol: the active ingredient in cannabis, giving it its narcotic and psychoactive effects 四氢大麻酚
It is obvious th at A. C. motors are superior to D. C. motors in many appli cations.
显然,交流电机在许多应用场合比直流电机优越。
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