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               ɫɫᾧĩ𩷯ζζɬڸз绯280ʧȥȫᾧˮ500Ϸֽ1g0.6mlˮ2.5mlҴˮҺʯpHԼ4.51ӽᾧˮĽϲ׽ܶ1.97۵100Сڣ2200mg/kgд̼·ýȾľķ

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              п(Ӣzinc sulfate;white vitriol)ֳ𩷯пΪɫɫбĩˮˮҺ΢Ҵ͸пڿоڸʧȥˮɰɫĩжˮ039淶ΧˮƽȶˮΪˮп3960Ϊ6ˮп60100Ϊһˮпȵ280ʱˮȫʧȥᾧˮ680ʱֽΪп750Ͻһֽ930ҷֽΪпZnSO4·7H2O MSO4·7H2OM = Mg, Fe, Mn, Co, Ni һΧγɻϾҪȡ·п׺пԭҲȱпʱӪҵӼũпʣ΢ԪطϣάҪпʱĵҺ֯ҵеýȾҽҩ¼ɱľĺƤппûпڷ¯決ȡƶ

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              п׺пεҪԭҲӡȾýȾľĺƤıҲճάάάҪԭڵƺ͵⹤ҵҲӦ [4]
              ҵȴˮˮܱʽѭȴϵͳеȴˮԽиʴͽṸҪд̾ͽˮȶпڴˮȶ
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              最好看的中文字幕2018